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Alloys, Volume 3, Issue 4

2024 December - 4 articles

Cover Story: The fatigue behavior of a fully processed, non-oriented electrical steel sheet is investigated in dependence on shear-cutting parameters and a subsequent heat treatment at 700 °C. This improves the fatigue strength by reducing tensile residual stresses and a large part of the strain hardening region. However, the intensity of this improvement depends on the shear-cutting parameters. This is related to the corresponding edge surfaces characteristically being formed during shear cutting. Specimens cut with a worn cutting tool show a more pronounced increase in fatigue life. In contrast, specimens produced with a sharp-edged cutting tool and high cutting clearance barely benefit from the heat treatment. This appears to be caused by differences in surface topography, in particular coarse topographical damage in the form of grain breakouts. View this paper

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4 Citations

4,189 Views

18 Pages

Evolution of Precipitates and Microhardness of L-PBF Inconel 625 Through Relevant Thermal Treatment

Tahmina Keya,
Ralf D. Fischer,
Mohanish Andurkar,
Scott M. Thompson and ,
Valentina O’Donnell,
John Gahl and
Barton C. Prorok
+ 2 authors+ 0 author

Alloys2024, 3(4), 295-312;https://doi.org/10.3390/alloys3040018

17 December 2024

Laser powder bed fusion (L-PBF) is a metal additive manufacturing (AM) technique that produces a unique microstructure significantly different from wrought microstructure. Inconel 625 (IN625) is an alloy widely used to manufacture complex parts, but...

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2,392 Views

14 Pages

Influence of Subsequent Heat Treatment on Fatigue Behavior of Shear-Cut Electrical Steel Sheets

Albin Gottwalt-Baruth,
Paul Kubaschinski,
Manuela Waltz and
Ulrich Tetzlaff

Alloys2024, 3(4), 281-294;https://doi.org/10.3390/alloys3040017

25 November 2024

The fatigue behavior of a fully processed, non-oriented electrical steel sheet is investigated in dependence on shear-cutting parameters and a subsequent heat treatment. For this, stress-controlled fatigue tests are performed before and after anneali...

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3 Citations

2,578 Views

12 Pages

Research on the Corrosion Resistance and Cytotoxicity of Medical Forged Co-28Cr-6Mo Alloy

Bo Xu,
Yangtao Xu and
Jianglong Wei

Alloys2024, 3(4), 269-280;https://doi.org/10.3390/alloys3040016

18 October 2024

Co-Cr-Mo alloy as a human body implant material has a long history, because of its excellent corrosion resistance and biocompatibility, and is widely used in human hip joint materials. Co-Cr-Mo alloy in the human body is often in a passivation state;...

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7 Citations

3,786 Views

12 Pages

Assessing the Corrosive Effects of Unmelted Particles in Additively Manufactured Ti6Al4V: A Study in Simulated Body Fluid

Surinder Pal,
Xavier Velay and
Waqas Saleem

Alloys2024, 3(4), 257-268;https://doi.org/10.3390/alloys3040015

9 October 2024

This study investigates the corrosion behavior of Grade 23 Ti6Al4V alloys produced through laser powder bed fusion (L-PBF) when exposed to simulated body fluid at room temperature, focusing on the role of unmelted particles. This research aims to und...

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Alloys - ISSN 2674-063X

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