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引用第8楼bob_dai于2010-12-16 00:05发表的 :
: F( m4 T+ E! o: l p! r* Jthe softening temperature of the material is determined on a separate specimen, under the conditions+ a7 @% C$ v) U: F3 ~4 {
specified in ISO 306 with a heating rate of 50 °C/h and modified as follows:: [; L0 G7 r% ?8 m
– the depth of penetration is 0,1 mm;
, ^: M4 p1 G3 h% G( b2 ]# C) P– the total thrust of 10 N is applied before the dial gauge is set to zero or its initial reading noted.- X6 Y7 |7 ^0 m* B7 S
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....... Bob,请问可以发个测试图片或者测试的治具看一下吗?谢谢! |
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