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spike_2014

新虫 (小有名气)

[求助] 在拉伸应变曲线中,uniform strain是什么意思呀?

是平均应变的意思还是有规律的应变呢?
如题,如图~

在拉伸应变曲线中,uniform strain是什么意思呀?
1.jpg


在拉伸应变曲线中,uniform strain是什么意思呀?-1
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maniorette

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2楼2015-12-25 00:12:49
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ssssllllnnnn

至尊木虫 (知名作家)

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Homogeneous Strain
Uniform strain. Straight lines in the original object remain straight. Parallel lines remain parallel. Circles deform to ellipses. Note that this definition rules out folding, since an originally straight layer has to remain straight.

从这里看就是均匀应变
3楼2015-12-25 01:11:42
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spike_2014

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引用回帖:
3楼: Originally posted by ssssllllnnnn at 2015-12-25 01:11:42
Homogeneous Strain
Uniform strain. Straight lines in the original object remain straight. Parallel lines remain parallel. Circles deform to ellipses. Note that this definition rules out folding, sin ...

最大均匀应变是什么意思呢?
4楼2015-12-25 10:07:08
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spike_2014

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引用回帖:
3楼: Originally posted by ssssllllnnnn at 2015-12-25 01:11:42
Homogeneous Strain
Uniform strain. Straight lines in the original object remain straight. Parallel lines remain parallel. Circles deform to ellipses. Note that this definition rules out folding, sin ...

5楼2015-12-25 10:07:32
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ssssllllnnnn

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spike_2014: 金币+10, 翻译EPI+1, ★★★★★最佳答案 2015-12-26 12:51:32
引用回帖:
4楼: Originally posted by spike_2014 at 2015-12-24 21:07:08
最大均匀应变是什么意思呢?...

Maximum uniform strain is the maximum value before uniform deformation ceases and necking begins.
6楼2015-12-25 12:29:36
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spike_2014

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引用回帖:
6楼: Originally posted by ssssllllnnnn at 2015-12-25 12:29:36
Maximum uniform strain is the maximum value before uniform deformation ceases and necking begins....

哦哦,原来颈缩开始之前的那部分叫做均匀应变么?那真应力真应变曲线只画到颈缩为止么?
7楼2015-12-25 15:24:55
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