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New experimental test of strain-gradient plasticity theory: metal foil sandwich structures in flexure

机译:应变-梯度可塑性理论的新实验测试:金属箔夹层结构的弯曲

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Experimental tests of strain-gradient plasticity theory rely on studies of the size effect (smaller is stronger) in micromechanical testing. The plastic strain gradient is varied by varying the size of the specimen. This confounds the direct effects of the size and the effects of the strain gradient. We propose experiments on foil sandwich structures in which these parameters are separated. Preliminary results suggest that it is the foil thickness that determines the strength, not the strain gradient.View full textDownload full textKeywordsbending test, nickel, plastic deformation, strain gradient plasticity, size effectRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/09500839.2012.669055
机译:应变梯度可塑性理论的实验测试依赖于微机械测试中尺寸效应(越小越强)的研究。塑性应变梯度通过改变试样的大小而变化。这混淆了尺寸的直接影响和应变梯度的影响。我们提出了箔夹层结构的实验,其中这些参数是分开的。初步结果表明,决定强度的是箔厚度,而不是应变梯度。查看全文下载全文关键词弯曲试验,镍,塑性变形,应变梯度可塑性,尺寸效应相关var addthis_config = { services_compact:“ citeulike,netvibes,twitter,technorati,可口,linkedin,facebook,stumbleupon,digg,google,更多”,发布:“ ra-4dff56cd6bb1830b”};添加到候选列表链接永久链接http://dx.doi.org/10.1080/09500839.2012.669055

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