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增量高压扭转作为一种新型严重塑性变形工艺：加工特性及其在铜中的应用

Incremental high pressure torsion as a novel severe plastic deformation process: Processing features and application to copper.

作者信息

Hohenwarter A

机构信息

Department of Materials Physics, Montanuniversität Leoben and Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstr. 12, A-8700 Leoben, Austria.

出版信息

Mater Sci Eng A Struct Mater. 2015 Feb 25;626:80-85. doi: 10.1016/j.msea.2014.12.041.

DOI:10.1016/j.msea.2014.12.041
PMID:25892850
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4394141/
Abstract

High pressure torsion is known as one of the most popular severe plastic deformation processes. However, it has certain size limitations, especially regarding the thickness of the processed samples. In this contribution incremental high pressure torsion is introduced as a novel severe plastic deformation process. This further development of conventional high pressure torsion is capable of delivering specimens having an extraordinarily high aspect-ratio of thickness to diameter. The features of this process combined with a case-study on a pure copper specimen with a deformed diameter of 50 mm and a thickness of 40 mm is presented.

摘要

高压扭转是最常用的严重塑性变形工艺之一。然而，它有一定的尺寸限制，特别是在加工样品的厚度方面。在本论文中，增量高压扭转作为一种新型严重塑性变形工艺被引入。传统高压扭转的这种进一步发展能够制造出具有极高厚度与直径比的试样。本文介绍了该工艺的特点，并结合了一个对直径为50毫米、厚度为40毫米的纯铜试样的案例研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/db143db58ede/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/37ce4a752ad8/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/3eb794f52119/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/9b4cc7f25b6f/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/bd08f8dffafe/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/231663322874/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/db143db58ede/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/37ce4a752ad8/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/3eb794f52119/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/9b4cc7f25b6f/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/bd08f8dffafe/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/231663322874/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3566/4394141/db143db58ede/gr6.jpg

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本文引用的文献

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Materials (Basel). 2018 Jul 10;11(7):1175. doi: 10.3390/ma11071175.