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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" e' e0 c9 m. p- G5 y1 f6 w0 w
* Expose specimen in specified high and low temp, duration and cycles.
4 c$ I( }7 ~( O6 Y5 {5 C" z 暴露样品于规定的高低温、持续时间和周期中。7 A' v1 L/ V6 v/ q) j" d, H6 d6 L
Temp. cycling : Including room temperature duration.
' c5 R0 ^) G: U, u2 c( e( Z Thermal shock : Direct move between high and low temp.
( q9 g6 U X! s# [. \ 熱衝击:直接在高低温中转换。
f& a, \: y2 B9 g: }9 @Purpose
% M7 P5 ?0 Q$ [ y$ {" d7 F% [& j * Check resistibility of product to extremely high and low temperature encountering as
, w( Q0 [6 a+ [. K taking in and out at the polar regions.5 m- j I: v A9 J
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。( u8 v& O( F% \) z6 T3 D) T. W
Mainly affect to crack, peeling off and deformation by expansion and
a, W" Y* p2 s, U9 U- y contraction and increasing termination resistance by corrosion.. {2 F X) E! G$ C
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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