|
发表于 2007-7-6 23:05:53
|
显示全部楼层
来自: 中国广东东莞
Method
' t- S6 Z% Y- }3 |% @ * Expose specimen in specified high and low temp, duration and cycles.0 z1 j! ^) B9 w. R, `' c! |* C1 X- B) {
暴露样品于规定的高低温、持续时间和周期中。. L1 L9 q; P5 s) G4 K5 {( K
Temp. cycling : Including room temperature duration.
1 n- y7 O, {' q0 O- r0 [ Thermal shock : Direct move between high and low temp. $ c" n2 V, T! ]$ n
熱衝击:直接在高低温中转换。
# r" }8 d5 k. q9 R# G( oPurpose* X1 _* @' q d/ s
* Check resistibility of product to extremely high and low temperature encountering as ; M: o. \+ O. C. z
taking in and out at the polar regions.$ t. _# n* b7 ^) }* b
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。9 h4 Y8 g7 l B' {! I. E
Mainly affect to crack, peeling off and deformation by expansion and
+ I) d, B) q, n+ g6 w9 h: B contraction and increasing termination resistance by corrosion.. Y: `5 Y! C, Q
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。 |
|