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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
2 U: L0 u. {' f * Expose specimen in specified high and low temp, duration and cycles.. X; @7 Y5 |- a2 |
暴露样品于规定的高低温、持续时间和周期中。& e. Z" v/ O+ q% L' n
Temp. cycling : Including room temperature duration.1 t/ X8 M+ N! a4 o, p5 W* I
Thermal shock : Direct move between high and low temp.
- E$ n7 ]* S) T) F) U 熱衝击:直接在高低温中转换。
) f. G( s1 \" R; V; r! EPurpose4 n' `2 W9 C7 i7 R
* Check resistibility of product to extremely high and low temperature encountering as
8 h. c9 i/ Z8 @ taking in and out at the polar regions., ` v+ S& V0 j: a
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。
* u$ v7 _: c" U7 `Mainly affect to crack, peeling off and deformation by expansion and 2 b$ z; G3 w8 U. x& _
contraction and increasing termination resistance by corrosion./ d7 D! V) L3 s
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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