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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* s- l1 ~6 a, o# [
* Expose specimen in specified high and low temp, duration and cycles.
/ W( r9 d* Y- f9 w 暴露样品于规定的高低温、持续时间和周期中。
9 s0 j$ O/ |6 K0 r ], B/ J Temp. cycling : Including room temperature duration.
' }! ^4 ~2 k. w4 ^- F Thermal shock : Direct move between high and low temp.
! Q; j; y- Z% L+ f. V 熱衝击:直接在高低温中转换。
2 C |6 e. }1 l- m, WPurpose
4 n! Z3 D5 t; t6 ], q * Check resistibility of product to extremely high and low temperature encountering as ' f1 P. t: v' G/ V
taking in and out at the polar regions.; W) p4 ^' v- |7 S2 x
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。
_' ]8 a9 a6 z3 ]+ T& BMainly affect to crack, peeling off and deformation by expansion and
' P0 J2 W, T! } contraction and increasing termination resistance by corrosion.
# |2 a4 F% l6 ?/ R4 u; Z1 ~ 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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