Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Heim, Hans-Peter

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University of Kassel

in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (104/104 displayed)

  • 2024High Consistency Silicone Rubber Foams1citations
  • 2024Investigation of Dynamic-Cyclic, Dynamic-Impact, and Timber-Construction-Relevant Characteristics of Wood-Textile Compositescitations
  • 2024Investigation of Dynamic-Cyclic, Dynamic-Impact, and Timber-Construction-Relevant Characteristics of Wood–Textile Compositescitations
  • 2024Mechanical Analysis and Simulation of Wood Textile Compositescitations
  • 2023Algorithm for fast evaluation of in-plane fiber orientation in reinforced plastics using light microscopy imagescitations
  • 2023Influence of Accelerated Aging on the Fiber-Matrix Adhesion of Regenerated Cellulose Fiber-Reinforced Bio-Polyamide12citations
  • 2023Influence of Different Hot Runner-Systems in the Injection Molding Process on the Structural and Mechanical Properties of Regenerated Cellulose Fiber Reinforced Polypropylene2citations
  • 2023Flexible Electrochromic Device on Polycarbonate Substrate with PEDOT:PSS and Color-Neutral TiO2 as Ion Storage Layer8citations
  • 2022Effects of blending poly(lactic acid) and thermoplastic polyester polyurethanes on the mechanical and adhesive properties in two-component injection moldingcitations
  • 2022Influences on the mechanical properties of SRCs in a combined compacting and back injecting processcitations
  • 2022Liquid Silicone Rubber Foams Made with Water as Blowing Agent9citations
  • 2022Pultruded Hybrid Reinforced Compounds with Glass/Cellulose Fibers in a Polybutylene Terephthalate Matrix: Property Investigation4citations
  • 2022Investigation of the adhesive strength in a combined compaction and back-injection process to produce back-injected self-reinforced composites (SRCs)1citations
  • 2022Liquid Silicone Rubber Foamed with Thermoplastic Expandable Microspheres14citations
  • 2022Effect of Cell Morphology on Flexural Behavior of Injection-Molded Microcellular Polycarbonate7citations
  • 2022Determination of Local Electrical Properties Using a Potential Field Measurement for Electrically Conductive Carbon Fiber Reinforced Plastics with Metal Contact Pins Joined via Injection Molding1citations
  • 2022Modification of self-reinforced composites (SRCs) via film stacking process3citations
  • 2022Investigations on fiber–matrix properties of heat-treated and UV-treated regenerated cellulose fibers16citations
  • 2021Synergized high-load bearing bone replacement composite from poly(lactic acid) reinforced with hydroxyapatite/glass fiber hybrid filler—Mechanical and dynamic mechanical properties14citations
  • 2021Process Influences in the Combined Compacting and Back-Injection Process to Produce Back-Injected Self-Reinforced Composites (SRCs) - Analysis via Multiple Regression Modelling2citations
  • 2021Development of direct compounding,Direktcompoundierung für die medizintechnik1citations
  • 2021Comparison of Real and Simulated Fiber Orientations in Injection Molded Short Glass Fiber Reinforced Polyamide by X-ray Microtomographycitations
  • 2021Comparison of Real and Simulated Fiber Orientations in Injection Molded Short Glass Fiber Reinforced Polyamide by X-ray Microtomography17citations
  • 2021Developing an overmolding process producing multi-functional medical products including standard thermo - plastics and liquid silicone rubber (LSR),Mehrkomponenten-Spritzgießen von TP/LSR-Verbunden Herstellung von medizintechnischen Multifunktionsteilencitations
  • 2021Constant temperature approach for the assessment of injection molding parameter influence on the fatigue behavior of short glass fiber reinforced polyamide 613citations
  • 2021Simultaneous impact modified and chain extended glass fiber reinforced poly(lactic acid) composites: Mechanical, thermal, crystallization, and dynamic mechanical performance34citations
  • 2021Thermal properties of plasticized cellulose acetate and its β-relaxation phenomenon45citations
  • 2021Influence of cyclic loads on the fiber-matrix-interaction of cellulose and glass fibers in polypropylene3citations
  • 2020Characterization of wood-based multi-material systems under dynamic impact stress4citations
  • 2020Joining of contact pins and conductive compounds via injection molding – Influence of the flow situation on the electrical contact resistance2citations
  • 2020Correlation of fiber orientation and fiber-matrix-interaction of injection-molded polypropylene cellulose fiber composites16citations
  • 2020Investigation of residual stresses in polypropylene using hot plate welding10citations
  • 2020Comparative analysis of the properties: Microcrystalline cellulose fiber polyamide composites filled with ethylene copolymer and olefin elastomer3citations
  • 2020Influence of the degree of crystallinity and the surface free energy on the adhesion properties of different PLA/PBS blends in multicomponent injection molding4citations
  • 2020Learning quality characteristics for plastic injection molding processes using a combination of simulated and measured data52citations
  • 2019Oxidative induction and performance of oil palm fiber reinforced polypropylene composites – Effects of coupling agent and UV stabilizer20citations
  • 2019Deflecting mode-I cracks in anisotropic materials18citations
  • 2019Investigation of the mold-filling phenomenon in high-pressure foam injection molding and its effects on the cellular structure in expanded foams36citations
  • 2019Processing and characterization of engineering biocomposites based on polybutylenterephthalat (PBT) and polytrimethylentherephthalat (PTT) with regenerated cellulose fibers modified with maleic anhydride grafted polyethylene as a processing agent22citations
  • 2019Synergized poly(lactic acid)–hydroxyapatite composites: Biocompatibility study28citations
  • 2019UV pre-treatment for polycarbonate for bonding LSR in a multi-component injection molding process4citations
  • 2019Plastic droplet welding: bond strength between plastic freeforming structures and continuous fiber-reinforced thermoplastic composites3citations
  • 2019A closer look at the bonding capacity of thick metal-plastic hybridscitations
  • 2019UV surface treatment of polycarbonate for adhesion improvement to liquid silicone rubber (LSR),UV Oberflächenaktivierung von Polycarbonat zur Verbesserung der Haftung zu Flüssigsilikonkautschuk (LSR)2citations
  • 2019Characterization of anisotropic properties of hot compacted self-reinforced composites (SRCs) via thermal diffusivity measurement1citations
  • 2018Single fiber pull-out test of regenerated cellulose fibers in polypropylene: An energetic evaluation45citations
  • 2018Innovative materials for novel concepts for internal heat exchangerscitations
  • 2018Impact modified PLA-hydroxyapatite composites – Thermo-mechanical properties111citations
  • 2018Cross-linked hydrophobic starch granules in blends with PLAcitations
  • 2018Advanced short fiber composites with hybrid reinforcement and selective fiber-matrix-adhesion based on polypropylene – Characterization of mechanical properties and fiber orientation using high-resolution X-ray tomography34citations
  • 2018Anisotropic fracture properties and crack path prediction in glass and cellulose fiber reinforced composites24citations
  • 2018Characterization of polyamide 6.10 composites incorporated with microcrystalline cellulose fiber: Effects of fiber loading and impact modifier10citations
  • 2018Wood-polypropylene composites: Influence of processing on the particle shape and size in correlation with the mechanical properties using dynamic image analysis9citations
  • 2018Production of standard thermoplastic-silicone compounds in multi-component injection molding,Herstellung von standardthermoplast-silikon-verbunden im mehrkomponentenspritzgusscitations
  • 2018Naturally non-flammablecitations
  • 2018Hard-soft composites made of LSR and polycarbonates activated with UV lightcitations
  • 2018Customized foamcitations
  • 2017Effects of surface modification on dispersion, mechanical, thermal and dynamic mechanical properties of injection molded PLA-hydroxyapatite composites163citations
  • 2017Influence of different types and amounts of crosslinking agent on the curing process of silicone rubber,Einfluss verschiedener vernetzungssysteme und vernetzeranteile auf das vulkanisations-verhalten von silikonkautschuk3citations
  • 2017Flexible machine combines joining processescitations
  • 2017Mechanical properties of polydimethylsiloxane as a function of the amount and type of crosslinking agent10citations
  • 2017Comparative investigation of two-dimensional imaging methods and X-ray tomography in the characterization of microstructure10citations
  • 2017Crack path predictions in fiber reinforced composites5citations
  • 2017Fracture toughness of injection molded, man-made cellulose fiber reinforced polypropylene38citations
  • 2017Fabrication and characterization of ethylene-octene copolymer composites with ionic liquid functionalized carbon nanotubes,Ioonvedelikega funktsionaliseeritud süsiniknanotorudega dopeeritud etüleenokteeni kopolümeerse komposiidi valmistamine ja karakteriseerimine2citations
  • 2017Investigations on tightness of polymer-metal hybrids in environments with thermal, media, and mechanical loads2citations
  • 2016Injection molded components with functionally graded foam structures - Procedure and essential results18citations
  • 2016Influence of the process parameters on the mechanical properties of engineering biocomposites using a twin-screw extruder75citations
  • 2016Determining viscosity directly in the injection molding processcitations
  • 2015Mechanical properties of hybrid glass/kenaf fibre-reinforced epoxy composite with matrix modification using liquid epoxidised natural rubber47citations
  • 2015Rheological, mechanical, environmental stress corrosion and gamma resistance properties of semi-crystalline PLA: Effect of catalysts on the reactivity of a chain extender3citations
  • 2015Planning and optimisation of manufacturing process chains for functionally graded components—part 2: case study on self-reinforced thermoplastic composites10citations
  • 2015General aspects of foam injection molding using local precision mold opening technology30citations
  • 2014A framework for the computer-aided planning and optimisation of manufacturing processes for components with functional graded properties2citations
  • 2014Modification of semi-crystalline PLA: Impact, tensile and thermal properties4citations
  • 2014Lighter hanks to tailored compositescitations
  • 2014Self-reinforced thermoplastic compositescitations
  • 2014Self-reinforced thermoplastic compositescitations
  • 2014Morphology-property-relationship of thermo-mechanically graded self-reinforced polypropylene composites4citations
  • 2014Dielectric electroactive polymers (dEAP) based on thermoplastic elastomers (TPE),Dielektrisch elektroaktive polymere (dEAP) auf basis von thermoplastischen elastomeren (TPE)citations
  • 2013Morphology of blends with cross-linked PMMA microgels and linear PMMA chains12citations
  • 2013Climatic ageing of components of polymer based electrochromic devices2citations
  • 2013PLA and PP composites with enzyme modified oil palm fibre: A comparative study27citations
  • 2013Efficient spatial and temporal modelling of material temperatures within self-reinforced polypropylene sheets during ir radiation1citations
  • 2013Visualisation of the degrees of compaction of self-reinforced polypropylene composites by means of ultrasonic testing,Visualisierung der kompaktiergrade von eigenverstärkten polypropylen-verbunden mittels ultraschallprüfungcitations
  • 2012Relaxation properties of polyoxymethylene and ethylene-octene copolymer blend in solid and melt states,Polüoksümetüleeni ja eteeni ning okteeni kopolümeeri segu relaksatsiooniomadused tahkes ja sulaolekus4citations
  • 2009The possibilities and limitations of variable mold temperature controlcitations
  • 2009Nylon 66/clay nanocomposite structure development in a twin screw extruder21citations
  • 2008Blow molding in the injection moldcitations
  • 2007Mathematical optimization of annular non-return valvescitations
  • 2006Minimisation of abrasion and burr in vibration welding,Abrieb- und fusselminimierung beim vibrationsschweißencitations
  • 2006Characterisation and modelling of specific enthalpy and heat conductivity of corn grits under consideration of water sorption behaviour3citations
  • 2006Tools for modelling single-screw systems,Werkzeuge für die modellierung von einschneckensystemencitations
  • 2006Tools for modelling single-screw systems,Werkzeuge für die modellierung von einschneckensystemencitations
  • 2006Is faster better?,Ist schneller besser?citations
  • 2005Extrusion in a magnetic field,Extrusion im Magnetfeldcitations
  • 2005Inflating functional channels in the injection mould,Funktionskanäle im Spritzgießwerkzeug aufblasencitations
  • 2003The cross-section is crucial,Der querschnitt entscheidetcitations
  • 2003Accurate Determination of the Injection Points,Zielgenaues Festlegen der Injektionspunktecitations
  • 2003GAIM: From the Design to Successful Application,Git: Vom Design zur Erfolgreichen Anwendungcitations
  • 2002The statistical regression calculation in plastics processing - Process analysis, optimization and monitoring5citations
  • 2002Injection moulding: Evaluation of appropriate melt injection points for the gas injection techniquecitations
  • 2002"It depends on the part": Special injection moulding processes in automotive engineering,"Es kommt auf das teil an": Sonderverfahren der spritzgießtechnik im automobilbaucitations
  • 2001Gas injection technique - Part design and process capabilitycitations

Places of action

Chart of shared publication
Giesen, Ralf-Urs
1 / 1 shared
Hofmann, Timo
1 / 1 shared
Seim, Werner
3 / 4 shared
Von Boyneburgk, Claudia Louise
2 / 2 shared
Zarges, Jan-Christoph
7 / 7 shared
Boyneburgk, Claudia L. Von
1 / 1 shared
Oikonomou, Dimitri
1 / 1 shared
Brabetz, Ludwig
2 / 2 shared
Wiegel, Klara
2 / 2 shared
Hartung, Michael
3 / 3 shared
Eckel, Elisabeth
2 / 2 shared
Schlink, André
5 / 5 shared
Ayeb, Mohamed
2 / 2 shared
Falkenreck, Celia Katharina
1 / 1 shared
Gemmeke, Nicole
1 / 1 shared
Lins, Fabian
1 / 1 shared
Essinger, Jörg
1 / 1 shared
Sommer, Stefan
1 / 2 shared
Schott, Marco
1 / 2 shared
Niklaus, Lukas
1 / 1 shared
Hillmer, Hartmut
1 / 3 shared
Johannes, Christopher
1 / 1 shared
Macher, Sven
1 / 2 shared
Kabasci, Stephan
1 / 7 shared
Klute, Marco
1 / 2 shared
Piontek, Alexander
1 / 1 shared
Jakob, F.
6 / 6 shared
Pollmeier, J.
3 / 3 shared
Hartung, M.
7 / 8 shared
Rüppel, A.
7 / 7 shared
Klier, K.
1 / 1 shared
Giesen, R.-U.
10 / 10 shared
Marl, S.
1 / 1 shared
Gothe, M.
1 / 1 shared
Gansiniec, F.
1 / 1 shared
Bisevac, S.
1 / 1 shared
Gemmeke, N.
3 / 3 shared
Bagnucki, J.
1 / 1 shared
Kahl, C.
2 / 2 shared
Beg, M. D. H.
6 / 6 shared
Feldmann, M.
19 / 21 shared
Heim, Hp.
1 / 1 shared
Ghazali, S.
5 / 5 shared
Mariatti, M.
2 / 5 shared
Akindoyo, J. O.
6 / 6 shared
Japins, G.
1 / 1 shared
Zurawik, Rafal
2 / 2 shared
Volke, Julia
1 / 1 shared
Knoll, Julia
1 / 1 shared
Nikousaleh, M. A.
2 / 2 shared
Riemann, N.
1 / 1 shared
Delp, Alexander
1 / 3 shared
Mrzljak, Selim
1 / 12 shared
Walther, Frank
1 / 70 shared
Hülsbusch, Daniel
1 / 4 shared
Mariatti, Mustapha
1 / 1 shared
Feldmann, Maik
1 / 1 shared
Akindoyo, John Olabode
1 / 1 shared
Heim, Hans Peter
1 / 1 shared
Beg, Mohammad Dalour Hossen
1 / 1 shared
Ghazali, Suriati
1 / 1 shared
Feldmann, Maik Wilhelm
1 / 1 shared
Erdmann, R.
1 / 1 shared
Kabasci, S.
1 / 1 shared
Zarges, J.-C.
10 / 10 shared
Kohl, D.
1 / 2 shared
Böhm, S.
1 / 11 shared
Von Boyneburgk, C.
1 / 1 shared
Mieth, F.
2 / 2 shared
Wiegel, K.
1 / 1 shared
Brabetz, L.
1 / 1 shared
Sälzer, P.
5 / 5 shared
Schmidt, M.
1 / 42 shared
Schöppner, V.
3 / 4 shared
Wu, T.
1 / 14 shared
Geißler, B.
1 / 1 shared
Wübbeke, A.
1 / 1 shared
Magnier, A.
1 / 5 shared
Niendorf, Thomas
1 / 301 shared
Islam, Muhammad Remanul
1 / 3 shared
Beg, Mdh
1 / 1 shared
Mamun, Aa
1 / 1 shared
Klute, M.
1 / 1 shared
Kurgan, N.
1 / 1 shared
Güzel, K.
1 / 1 shared
Finkeldey, F.
1 / 1 shared
Volke, J.
1 / 1 shared
Wiederkehr, P.
1 / 1 shared
Ricoeur, A.
3 / 3 shared
Judt, P. O.
2 / 2 shared
Park, C. B.
1 / 10 shared
Shaayegan, V.
1 / 1 shared
Wang, C.
1 / 37 shared
Tromm, M.
4 / 4 shared
Alam, A. K. M. M.
1 / 1 shared
Schlitt, C. U.
1 / 1 shared
Hirsch, A.
1 / 21 shared
Cherif, C.
1 / 15 shared
Truemper, W.
1 / 1 shared
Moritzer, E.
1 / 4 shared
Weber, J.
1 / 6 shared
Nikousaleh, M.
1 / 1 shared
Schnau, M.
1 / 1 shared
Kaufhold, C.
1 / 1 shared
Jähnig, D.
1 / 1 shared
Vajen, K.
1 / 1 shared
Aßmann, C.
1 / 1 shared
Vorwerg, W.
1 / 2 shared
Fuchs, J.
1 / 2 shared
Mamun, A. A.
5 / 8 shared
Islam, M. R.
1 / 4 shared
Verheyen, F.
3 / 3 shared
Geck, J.-M.
2 / 2 shared
Jarka, S.
3 / 4 shared
Bacaicoa, I.
1 / 1 shared
Lütje, M.
1 / 1 shared
Brückner-Foit, A.
3 / 3 shared
Middendorf, B.
1 / 3 shared
Umbach, C.
1 / 1 shared
Judt, P.
1 / 1 shared
Minkley, D.
1 / 1 shared
Ivanova, T.
1 / 8 shared
Roja, Z.
1 / 1 shared
Reinholds, I.
1 / 2 shared
Meri, R. M.
2 / 2 shared
Zicans, J.
2 / 4 shared
Saldabola, R.
1 / 2 shared
Ahmad, S.
1 / 22 shared
Muhammad, Y. H.
1 / 1 shared
Abu Bakar, M. A.
1 / 1 shared
Gausemeier, J.
4 / 4 shared
Hess, S.
3 / 4 shared
Ries, A.
7 / 8 shared
Biermann, D.
2 / 12 shared
Petersen, M.
4 / 5 shared
Wagner, T.
2 / 9 shared
Al Mamun, A.
1 / 2 shared
Dammann, C.
2 / 2 shared
Al-Baldawi, A.
2 / 2 shared
Turek, S.
2 / 2 shared
Wibbeke, A.
2 / 2 shared
Damanik, H.
2 / 2 shared
Rohde, B.
4 / 4 shared
Mahnken, R.
2 / 3 shared
Grässler, I.
1 / 1 shared
Wünsch, O.
1 / 2 shared
Wunsch, O.
1 / 1 shared
Grássler, I.
1 / 1 shared
Adam, M.
1 / 5 shared
Goerigk, G.
1 / 15 shared
Huber, K.
1 / 2 shared
Michels, R.
1 / 1 shared
Pipich, V.
1 / 7 shared
Schneider, M.
1 / 61 shared
Sauer, V.
1 / 1 shared
Desjean, A.
1 / 1 shared
Ahmad, S. H.
1 / 2 shared
Beg, D. H.
1 / 1 shared
Kim, T. S.
1 / 2 shared
Kersting, P.
1 / 4 shared
Zielke, R.
1 / 1 shared
Tillmann, W.
1 / 18 shared
Sievers, N.
1 / 1 shared
Grigalovica, A.
1 / 1 shared
Berger, C.
1 / 9 shared
Bartule, M.
1 / 1 shared
Schnieders, J.
3 / 3 shared
Ridder, H.
7 / 7 shared
Sundararaj, U.
1 / 4 shared
Thuümen, A.
1 / 1 shared
Scheel, G.
1 / 1 shared
Lin, B.
1 / 5 shared
Schäfers, M.
1 / 1 shared
Potente, H.
10 / 12 shared
Thümen, T.
3 / 3 shared
Becker, F.
1 / 1 shared
Büssing, M.
1 / 1 shared
Karger, O.
1 / 2 shared
Thumen, A.
1 / 1 shared
Ernst, W.
1 / 3 shared
Föhrer, T.
1 / 1 shared
Pape, J.
1 / 1 shared
Thümen, A.
1 / 1 shared
Timmermann, K.
1 / 2 shared
Viegas-Cunha, R.
1 / 1 shared
Kaiser, E.
1 / 1 shared
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2012
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Co-Authors (by relevance)

  • Giesen, Ralf-Urs
  • Hofmann, Timo
  • Seim, Werner
  • Von Boyneburgk, Claudia Louise
  • Zarges, Jan-Christoph
  • Boyneburgk, Claudia L. Von
  • Oikonomou, Dimitri
  • Brabetz, Ludwig
  • Wiegel, Klara
  • Hartung, Michael
  • Eckel, Elisabeth
  • Schlink, André
  • Ayeb, Mohamed
  • Falkenreck, Celia Katharina
  • Gemmeke, Nicole
  • Lins, Fabian
  • Essinger, Jörg
  • Sommer, Stefan
  • Schott, Marco
  • Niklaus, Lukas
  • Hillmer, Hartmut
  • Johannes, Christopher
  • Macher, Sven
  • Kabasci, Stephan
  • Klute, Marco
  • Piontek, Alexander
  • Jakob, F.
  • Pollmeier, J.
  • Hartung, M.
  • Rüppel, A.
  • Klier, K.
  • Giesen, R.-U.
  • Marl, S.
  • Gothe, M.
  • Gansiniec, F.
  • Bisevac, S.
  • Gemmeke, N.
  • Bagnucki, J.
  • Kahl, C.
  • Beg, M. D. H.
  • Feldmann, M.
  • Heim, Hp.
  • Ghazali, S.
  • Mariatti, M.
  • Akindoyo, J. O.
  • Japins, G.
  • Zurawik, Rafal
  • Volke, Julia
  • Knoll, Julia
  • Nikousaleh, M. A.
  • Riemann, N.
  • Delp, Alexander
  • Mrzljak, Selim
  • Walther, Frank
  • Hülsbusch, Daniel
  • Mariatti, Mustapha
  • Feldmann, Maik
  • Akindoyo, John Olabode
  • Heim, Hans Peter
  • Beg, Mohammad Dalour Hossen
  • Ghazali, Suriati
  • Feldmann, Maik Wilhelm
  • Erdmann, R.
  • Kabasci, S.
  • Zarges, J.-C.
  • Kohl, D.
  • Böhm, S.
  • Von Boyneburgk, C.
  • Mieth, F.
  • Wiegel, K.
  • Brabetz, L.
  • Sälzer, P.
  • Schmidt, M.
  • Schöppner, V.
  • Wu, T.
  • Geißler, B.
  • Wübbeke, A.
  • Magnier, A.
  • Niendorf, Thomas
  • Islam, Muhammad Remanul
  • Beg, Mdh
  • Mamun, Aa
  • Klute, M.
  • Kurgan, N.
  • Güzel, K.
  • Finkeldey, F.
  • Volke, J.
  • Wiederkehr, P.
  • Ricoeur, A.
  • Judt, P. O.
  • Park, C. B.
  • Shaayegan, V.
  • Wang, C.
  • Tromm, M.
  • Alam, A. K. M. M.
  • Schlitt, C. U.
  • Hirsch, A.
  • Cherif, C.
  • Truemper, W.
  • Moritzer, E.
  • Weber, J.
  • Nikousaleh, M.
  • Schnau, M.
  • Kaufhold, C.
  • Jähnig, D.
  • Vajen, K.
  • Aßmann, C.
  • Vorwerg, W.
  • Fuchs, J.
  • Mamun, A. A.
  • Islam, M. R.
  • Verheyen, F.
  • Geck, J.-M.
  • Jarka, S.
  • Bacaicoa, I.
  • Lütje, M.
  • Brückner-Foit, A.
  • Middendorf, B.
  • Umbach, C.
  • Judt, P.
  • Minkley, D.
  • Ivanova, T.
  • Roja, Z.
  • Reinholds, I.
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article

Effect of Cell Morphology on Flexural Behavior of Injection-Molded Microcellular Polycarbonate

  • Heim, Hans-Peter
Abstract

<jats:p>The quantitative study of the structure and properties relationship in cellular materials is mostly limited to cell diameter, cell density, skin layer thickness, and cell size distribution. In addition, the investigation of the morphology is generally carried out in two dimensions. Therefore, the interrelation between morphological properties and mechanical characteristics of the foam structure has remained in an uncertain state. In this study, during the physical foaming process, a foam morphology is locally created by using a mold equipped with a core-back insert. The variation in morphology is obtained by modifying the mold temperature, injection flow rate, and blowing agent content in the polymer melt. X-ray microtomography (μCT) is used to acquire the 3D visualization of the cells structure. The Cell Distribution Index (CDI) is calculated to represent the polydispersity in cell size distribution. The relationship between the wide range of morphological qualities and relevant flexural properties is made explicit via a statistical model. According to the results, the morphology, particularly cell shape, characterizes the mechanism of the linear elastic deformation of the closed-cell foams. IR-thermography reveals the bending failure of cellular structures in the tensile region despite the differences in cell diameter.</jats:p>

Topics
  • density
  • impedance spectroscopy
  • morphology
  • polymer
  • melt
  • polydispersity
  • thermography