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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) j0 }* s! [: {9 M0 ?, G
* Expose specimen in specified high and low temp, duration and cycles.+ g, n* A( S: f$ G+ ?+ ~
暴露样品于规定的高低温、持续时间和周期中。% ]+ I2 x( i/ a$ W
Temp. cycling : Including room temperature duration.0 s. `% O3 U( `9 G$ x1 z
Thermal shock : Direct move between high and low temp.
9 _7 G* F; @* G! K 熱衝击:直接在高低温中转换。
5 h% }+ o2 p2 APurpose
- k" ]+ T) I0 \- `6 E9 S2 x$ j* d9 z * Check resistibility of product to extremely high and low temperature encountering as
& X. }7 u1 k# t* d7 O taking in and out at the polar regions.- I, k$ g& E* h5 D+ A( M3 H- Z
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。" a g9 L1 C/ P6 z
Mainly affect to crack, peeling off and deformation by expansion and ! w' c ]; _2 }. a
contraction and increasing termination resistance by corrosion.* R! ^' s/ e: L( D
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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