增材制造316L不锈钢孪晶诱导塑性研究进展

IF 4.2 Q2 ENGINEERING, MANUFACTURING

Additive manufacturing letters Pub Date : 2023-10-11 DOI:10.1016/j.addlet.2023.100176

D. Della Crociata, I. Maskery, R. Hague, M. Simonelli

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引用次数: 0

摘要

本文报道了金属增材制造316L不锈钢的孪晶诱发塑性。使用了锥形拉伸试验几何结构，这使得能够在单个样品的一系列应变水平上研究孪晶的形成。观察到硬度和孪晶浓度随着应变的增加而增加，分别达到380±10HV和28±4%的峰值。此外，发现孪晶的形成受晶粒尺寸和晶体结构的调节。该方法可应用于新AM材料的开发，并将为能量吸收结构的设计提供信息，以最大限度地提高AM设计和应变硬化材料的效益。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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On the development of twinning-induced plasticity in additively manufactured 316L stainless steel

A report on twinning-induced plasticity in 316L stainless steel manufactured by metal additive manufacturing (AM) is presented. A tapered tensile test geometry was used which enabled the investigation of twin formation over a range of strain levels in a single specimen. Hardness and twinning concentration were observed to increase with strain up to peak values of 380 ± 10 HV and 28 ± 4%, respectively. Furthermore, twin formation was found to be regulated by grain size and crystal texture. This methodology can be applied to new AM materials development and will inform the design of energy-absorbing structures that maximise the benefits of AM design and strain-hardenable materials.

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来源期刊

Additive manufacturing letters Materials Science (General), Industrial and Manufacturing Engineering, Mechanics of Materials

CiteScore

3.70

自引率

0.00%

发文量

审稿时长

37 days