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Barton, James
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Publications (7/7 displayed)
- 2015Exome sequencing in HFE C282Y homozygous men with extreme phenotypes identifies a GNPAT variant associated with severe iron overloadcitations
- 2013Embedded fibre optic sensors within additive layer manufactured componentscitations
- 2012Modelling of Long Period Gratings with Metallic (Pd) Jacket
- 2009All Fibre based Hydrogen Sensing using Palladium coated Long Period Gratings
- 2005The effects of progressive wear on the frequency characteristic of acoustic emission acquired during face millingcitations
- 2004Allele frequencies of hemojuvelin gene (HJV) I222N and G320V missense mutations in white and African American subjects from the general Alabama population.citations
- 2004Hemojuvelin Mutations in Whites, Blacks and Asians with Primary Iron Overload and in Control Subjects.
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article
The effects of progressive wear on the frequency characteristic of acoustic emission acquired during face milling
Abstract
<p>Acoustic emission (AE) provides a non-intrusive means of monitoring insert flank wear in face milling. Progressive wear tests of carbide inserts in eight-point milling of annealed En24 steel were instrumented with piezoelectric AE transducers and a non-contact optical interferometer, from which AE frequency information could be extracted. Mean AE frequency was found generally to decrease with wear in agreement with other published studies. Tool indexed measurements enabled the time evolution of the frequency content to be studied on the timescale of a single pass of the insert. The results may be explained by a simple analytical model for AE frequency associated with plastic deformation. The observed AE decay time constants following insert entry decreased with cutting speed, consistent with thermal models of the cutting process. Whereas the results of this study alone would not constitute an independent means of tool wear monitoring, they could provide a diagnosis of tool wear when supplemented with other AE measures and with knowledge of the specific cutting process. © IMechE 2005.</p>