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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% [( [) W7 P2 H+ h
* Expose specimen in specified high and low temp, duration and cycles.) k+ l0 h0 O4 x1 o6 q
暴露样品于规定的高低温、持续时间和周期中。
. z' n9 w3 D& U, v& G Temp. cycling : Including room temperature duration.
- C0 o% M$ e. C! u# }/ R& q: i Thermal shock : Direct move between high and low temp. : m7 y- @( w( c$ [+ C( y
熱衝击:直接在高低温中转换。
& x, z4 t) r' l1 I" APurpose3 Y: }- Y7 a9 z% G& C& {/ |, v/ {! l
* Check resistibility of product to extremely high and low temperature encountering as
; M% C; c) D3 G( g' y' O8 K taking in and out at the polar regions.6 D+ s$ `$ P5 z9 d$ 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。
0 ]8 ^& Z. d: d! fMainly affect to crack, peeling off and deformation by expansion and ; A2 {# Q3 q4 j* {4 T% p
contraction and increasing termination resistance by corrosion.
4 j4 f6 v6 a, h, j& y5 l 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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