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http://www.arfsz.com/images/stories/image/perfect/Cu_1.JPG
I" v5 z7 k) [ 纯铜的滑移痕迹(DIC照明, 500X)(振动抛光后用台钳夹紧并稍加压力,
' r2 ^# H$ U" n/ Q+ r4 {- c使自由表面产生塑性变形,出现滑移台阶)' Q# `8 S y: _2 q0 H3 n: T
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http://www.arfsz.com/images/stories/image/perfect/Cu_2.JPG) B4 s( o' c" k9 l% O3 N
纯铜的滑移痕迹(DIC照明, 500X)
6 V# x. A S& Q5 j& y6 C% j+ Z; c+ x(上述试样同一视场,移动Normaski棱镜,使呈现橙红色)& B' H2 j C. I, M( Z
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http://www.arfsz.com/images/stories/image/perfect/Cu_3.JPG1 p3 X+ S! S8 w0 ]3 N+ }0 M! i7 p+ I9 e
铸造黄铜(DIC照明,100X)
, }$ K0 @, z' K: [0 c% e(振动抛光, 未经腐蚀. 显示出晶粒及晶内沉淀, 腐蚀将破坏这一效应) Q2 a6 N. g6 a3 w* K
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http://www.arfsz.com/images/stories/image/perfect/Cu_4.JPG
( x6 [% A) s3 }* i3 I 铸造黄铜(DIC照明,250X)3 T2 f0 K& R# f; W- j% \" s. M- \
(振动抛光,未经腐蚀,较高放大倍数) |
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