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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
& s/ S- ^! E: z0 A( W* q# D * Expose specimen in specified high and low temp, duration and cycles.
0 F" C7 y2 z2 N7 h 暴露样品于规定的高低温、持续时间和周期中。 v; v6 b7 ~0 x. N% t9 J" A
Temp. cycling : Including room temperature duration.
1 d* N- [% H" \% y0 a Thermal shock : Direct move between high and low temp.
$ E" M' U+ u% m& b5 @ 熱衝击:直接在高低温中转换。
) a3 r$ ]6 B+ D XPurpose
+ A+ x9 M. p' f( `" n/ _2 R * Check resistibility of product to extremely high and low temperature encountering as . F4 @0 i6 J2 z8 w& P! P' v
taking in and out at the polar regions.$ l7 b) N9 B; Z- a8 V; c+ J
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。7 p0 }, i7 x1 d) b; M
Mainly affect to crack, peeling off and deformation by expansion and
+ F# l* j* L% j0 \4 s contraction and increasing termination resistance by corrosion.- n0 G4 d& z8 T: e4 D
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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