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Selskienė, Aušra
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Publications (4/4 displayed)
- 2024Mechnical properties of 17-4PH stainless-steel at various laser sintering process parameterscitations
- 2019Investigation of the properties of Cr coatings deposited in an improved Cr(III) electrolytecitations
- 2019Direct Metal Laser Sintering of stainless steel alloy: microstructure and mechanical properties
- 2011The Study of Corrosion and Wear Resistance of Copper Composite Coatings with Inclusions of Carbon Nanomaterials in the Copper Metal Matrix ; Kompozicinių dangų su anglies nanodarinių intarpais vario metalo matricoje atsparumo korozijai ir dilimui tyrimas
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article
Mechnical properties of 17-4PH stainless-steel at various laser sintering process parameters
Abstract
<jats:p>As a material for conventional manufacturing, iron and its alloys had been an object of numerous studies in the past and, as a result, steel became one of the best-known metal alloys in industry. However, new manufacturing technologies, such as additive manufacturing (AM), open new possibilities for the same materials. In this paper, we investigate stainless steel powder for additive manufacturing technologies and parts fabricated from it. Powder chemical composition and morphology are presented in the study. The influence of laser power and laser scanning speed on the mechanical properties of materials and microstructure was studied, and the experimental results showed the optimal energy density values between 50 and 65 J/mm3. However, the value of energy density varies depending on which parameters are observed, i.e. the optimum energy density value is different for the ultimate tensile stress (UTS) and surface roughness or the Young’s modulus and hardness.</jats:p>