Orientation dependence of the indentation impression morphology in a Mg alloy

S. Gollapudi; M.A. Azeem; A. Tewari

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Orientation dependence of the indentation impression morphology in a Mg alloy

机译：镁合金压痕印象形态的取向依赖性

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The formation of anomalous indentations, with two opposite faces describing a pin-cushion effect and the other two faces normal, in long elongated grains of an extruded Mg-2Al-lZn alloy is reported. Subsurface microstructural observations combined with Schmid factor calculations suggest that extension twinning accompanied by basal slip are the reasons for these. Johnson's expanding cavity model is invoked for further substantiation.

机译：据报道，在挤压的Mg-2Al-1Zn合金长拉长晶粒中，异常压痕的形成具有两个相对的面描述了枕形效应，而另两个相对的面则是正常的。地下微观结构观察与Schmid因子计算相结合表明，伸展孪生伴有基底滑移是这些原因。约翰逊的膨胀腔模型被调用以进一步证实。

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《Scripta materialia》 |2011年第2期|共4页
作者
S. Gollapudi; M.A. Azeem; A. Tewari;
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正文语种 eng
中图分类冶金工业;
关键词
Extrusion; Magnesium alloy; Twinning; Microindentation; Work hardening;

机译：挤压;镁合金;孪晶;微压痕;加工硬化;

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1. Orientation dependence of the indentation impression morphology in a Mg alloy [J] . S. Gollapudi, M.A. Azeem, A. Tewari Scripta materialia . 2011,第2期

机译：镁合金压痕印象形态的取向依赖性
2. Interpretations of the Critical Indentation Depths in Soft Coatings on Hard Substrates from a Morphological Analysis on Nanocontact Impressions [J] . Yun-Hee Lee, Yongil Kim, Kwon Sang Ryu, Japanese journal of applied physics.Part 1.Regular papers & short notes . 2011,第1ISSUE3期

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Orientation dependence of the indentation impression morphology in a Mg alloy

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