|
|
发表于 2007-7-6 23:05:53
|
显示全部楼层
来自: 中国广东东莞
Method7 L8 V9 Q# a0 y) ?- m
* Expose specimen in specified high and low temp, duration and cycles.
, @0 l0 s D6 h 暴露样品于规定的高低温、持续时间和周期中。& e Q4 r" ^1 W5 A# L
Temp. cycling : Including room temperature duration.
+ ]! @. k# q4 g' n5 C r0 b$ M Thermal shock : Direct move between high and low temp. ' D/ z4 o5 C) {% J5 q% ~1 C
熱衝击:直接在高低温中转换。 & C; U% z9 i& q
Purpose
+ V; }) L5 B6 z6 s4 j7 w3 n * Check resistibility of product to extremely high and low temperature encountering as + ]8 o% L+ h2 B
taking in and out at the polar regions.
; @$ H6 H2 A5 a1 r5 s( |0 k 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。
, b) h Z/ E, {- Z3 ~0 D. O9 P# s4 OMainly affect to crack, peeling off and deformation by expansion and $ U& j$ | E6 P) L+ i+ |
contraction and increasing termination resistance by corrosion.$ ]3 ~( y7 y1 b% X0 E# s; b
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。 |
|