Grain elongation in a superplastic 7075 Al alloy.

Shin D H; Joo Y J; Lee C S; Park K -T

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Grain elongation in a superplastic 7075 Al alloy.

机译：超塑性7075铝合金的晶粒伸长率。

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Microstructural evolution during superplasticdeformation of a fine grained 7475 Al alloy is manifested byconsiderable grain elongation along the stress axis and theformation of dispersoid free zone in the vicinity of grainboundaries perpendicular to the stress axis. The presentexperimental findings and the analysis reveal that the abovemicrostructural evolution is associated with diffusional processes.In addition, it is suggested that grain elongation is mainlyattributed to the cooperative process of the formation ofdispersoid free zone due to diffusional processes and locallyenhanced plastic deformation at relatively soft dispersoid free zone.

机译：细晶粒的7475铝合金在超塑性变形过程中的微观组织演变表现为：沿应力轴的晶粒明显伸长，并且在垂直于应力轴的晶界附近形成了弥散性自由区。本实验的发现和分析表明，上述微观结构的演化与扩散过程有关。此外，表明晶粒伸长主要归因于相对较软的弥散体的扩散过程和局部增强塑性变形的分散过程形成的协同过程。自由区。

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《Scripta materialia》 |1999年第3期|共6页
作者
Shin D H; Joo Y J; Lee C S; Park K -T;
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正文语种 eng
中图分类金属学与热处理;冶金工业;
关键词
Aluminum base alloys; Microstructure; Grain size; Deformation effects; Plastic deformation; 铝合金; 显微组织; 晶粒尺寸; 变形效应; 塑性变形;

机译：Aluminum base alloys;Microstructure;Grain size;Deformation effects;Plastic deformation;铝合金;显微组织;晶粒尺寸;变形效应;塑性变形;

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1. Grain elongation in a superplastic 7075 Al alloy. [J] . Shin D H, Joo Y J, Lee C S, Scripta materialia . 1999,第3期

机译：超塑性7075铝合金的晶粒伸长率。
2. Superplastic-Like Elongation by Transition of Deformation Mechanism from Grain Boundary Sliding to Solute Drag Creep in Fine-Grained Al-Mg Solid Solution Alloy [J] . Tsutomu Ito, Takashi Mizuguchi Materials science forum . 2018,第PTa2期

机译：通过从晶界滑动的变形机理转变通过晶界机构转变为精细晶粒铝固溶固体溶液合金的溶质旋转伸长率
3. Grain Elongation and Anisotropic Grain Growth During Superplastic Deformation in an Al-Mg-Cu Alloy [J] . F.Hi, D.H.Bae, A.K.Ghosh Acta Materialia . 1997,第9期

机译：Al-Mg-Cu合金超塑性变形过程中的晶粒伸长和各向异性晶粒长大
4. Superplastic Elongation through Deformation Mechanism Transition during High-Temperature Deformation in Thermally Unstable Fine-Grained Aluminum Solid Solution Alloy [C] . Tsutomu lto, Takashi Mizuguchi International Conference on Material Science and Engineering . 2017

机译：通过在热不稳定细粒铝固体溶液合金中高温变形期间通过变形机理转变的超塑性伸长率
5. An experimental and numerical analysis of waterjet peening of 7075-T6 aluminum alloy. [D] . Kunaporn, Sawalee. 2002

机译：7075-T6铝合金水射流喷丸的实验和数值分析。
6. Superplastic Deformation Mechanisms in Fine-Grained 2050 Al-Cu-Li Alloys [O] . Hongping Li, Xiaodong Liu, Quan Sun, 2020

机译：细晶粒2050 Al-Cu-Li合金的超塑性变形机理
7. Dynamic evolution of fine grained structure and superplasticity in an unrecrystallized 7075 aluminum alloy. [O] . Xuyue YANG, Taku SAKAI, Hiromi MIURA 1999

机译：未结晶的7075铝合金细粒结构和超塑性的动态演变。
8. Effect of Heat Treatment on Solute Concentration at Grain Boundaries in 7075 Aluminum Alloy. [R] . Joshi, A., Shastry, C. R., Levy, M. 1977

机译：热处理对7075铝合金晶界溶质浓度的影响。

Grain elongation in a superplastic 7075 Al alloy.

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