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引用第8楼bob_dai于2010-12-16 00:05发表的 : J8 y B3 ? Y, @% l8 S( H3 l/ m
the softening temperature of the material is determined on a separate specimen, under the conditions' d6 F2 a9 o+ {4 r, D6 P' p
specified in ISO 306 with a heating rate of 50 °C/h and modified as follows:4 ?' e; `3 P O3 @8 m0 j
– the depth of penetration is 0,1 mm;0 g, N# o8 M+ H8 b6 @9 I- M3 |
– the total thrust of 10 N is applied before the dial gauge is set to zero or its initial reading noted.
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/ d- J( R6 M) ~/ P# K: d& e....... 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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