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发表于 2007-7-6 23:05:53
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来自: 中国广东东莞
Method! z0 M; _' T" w8 R; @8 V
* Expose specimen in specified high and low temp, duration and cycles.
' d |. z, g7 w7 d1 L 暴露样品于规定的高低温、持续时间和周期中。# `$ A; Z2 a8 ]$ e/ U
Temp. cycling : Including room temperature duration.: x1 o3 q" J. r/ \5 q+ C9 a3 Z
Thermal shock : Direct move between high and low temp. * P5 q4 [# E# ] X/ x; H
熱衝击:直接在高低温中转换。 : B+ O. C% j5 B& T1 @" z5 Y
Purpose+ u2 ]( t) P T9 I
* Check resistibility of product to extremely high and low temperature encountering as
* f8 `4 W* \' O* r a/ P6 U+ s taking in and out at the polar regions.
+ ^3 r8 X+ d# W! b 試样在高温低温下反覆转换、及在短時間中反覆的接受熱衝击、可用来判断産品在极端区域的抵抗力。5 H2 H. L4 Q3 g3 ^' H. `+ i
Mainly affect to crack, peeling off and deformation by expansion and
6 U$ D2 c+ j* }, h8 q$ b/ v. `+ V contraction and increasing termination resistance by corrosion.
+ L0 X3 Q/ R) J$ Y1 I 主要影响:因材料伸縮所造成的裂痕、剥離、機械性的位移及因腐蝕所造成的接触電阻增加、和HSG的劣化。 |
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