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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
" ^3 K, { t2 ~$ ^0 C3 e * Expose specimen in specified high and low temp, duration and cycles.! I* L9 L5 \7 G) R, N. L9 w9 e+ e
暴露样品于规定的高低温、持续时间和周期中。% i {- s% T; ` [* y
Temp. cycling : Including room temperature duration.% w. o m. _; O1 g- ^% M
Thermal shock : Direct move between high and low temp.
7 g+ i5 K' C# n! K 熱衝击:直接在高低温中转换。
7 N Q) i0 f, VPurpose
5 ^1 Q1 C3 Q; {, q! j3 o$ q * Check resistibility of product to extremely high and low temperature encountering as
( C% i' V9 U% K taking in and out at the polar regions.+ S& B# e$ {6 J" v1 {, h
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。. M l4 |7 [" A) b @
Mainly affect to crack, peeling off and deformation by expansion and
2 A) A! u3 @6 K. \ M contraction and increasing termination resistance by corrosion.
: m* I' V8 O2 v3 @% t& { 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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