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EntityQ192005· pop 47· linked from 334 articles

弹性模量

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測量彈性材料剛度的物理性質

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Vinony's link graph records 334 inbound references to 弹性模量, and connects out to mechanical stress, linear strain and stress–strain curve.

It is catalogued under topics including Deformation (mechanics), Elasticity (physics) and Mechanical quantities.

Vinony links it to 46 Wikipedia language editions.

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剪断変形.jpg
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different from
shear modulus
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Wikipedia:Vital articles/Level/4
Commons category
Elastic modulus
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WikiProject Mathematics
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Article · 中文

弹性模量是指当有力施加於物体或物质时,其弹性变形(非永久变形)趋势的数学描述。物体的弹性模量定义为弹性变形区的应力-应变曲线的斜率: 其中λ是弹性模量,stress(应力)是引起受力区变形的力,strain(应变)是应力引起的变化与物体原始状态的比。应力的单位是帕斯卡,应变是没有单位的(无量纲的),那么λ的单位也是帕斯卡。 均质各向同性(固体)材料的(线性)弹性性质可以由4种弹性模量中的任意2种弹性模量完全描述清楚,如下表所示。 无粘性流体不能支撑剪切应力,因此剪切模量总为零,从而杨氏模量也总为零。

Abstract from DBpedia / Wikipedia · CC BY-SA

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