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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
) z, {9 b, M- a: }5 w& C# C * Expose specimen in specified high and low temp, duration and cycles.* O# U5 W. c0 I, N1 M+ u# o# V
暴露样品于规定的高低温、持续时间和周期中。
$ d& Y; `$ s/ ^% } a Temp. cycling : Including room temperature duration.
' r m/ s9 h7 Q/ [( A Thermal shock : Direct move between high and low temp.
# p& h4 @: ^: w8 l 熱衝击:直接在高低温中转换。
6 l9 F- F- i; G: B. t( QPurpose- I. M3 ]* j8 G8 H* \
* Check resistibility of product to extremely high and low temperature encountering as
' k' v' V! o/ @7 S) W N taking in and out at the polar regions.6 G7 q2 r# A" J0 p/ T% e. P, a9 `
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。
: A0 L) r$ u- U0 T6 b6 O# A+ u$ GMainly affect to crack, peeling off and deformation by expansion and
8 B* t1 f. g% T! O0 n" N# P contraction and increasing termination resistance by corrosion.+ T ~2 n7 x+ r# t @
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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