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引用第8楼bob_dai于2010-12-16 00:05发表的 :
6 ~6 I( O- S( V* l# ethe softening temperature of the material is determined on a separate specimen, under the conditions7 c# c2 d4 u7 u
specified in ISO 306 with a heating rate of 50 °C/h and modified as follows:- s4 ]* A6 j2 V" @5 y, m" g- D
– the depth of penetration is 0,1 mm;, |0 {$ N" V6 n: h! E0 @$ O
– 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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....... g! ~. U/ ^8 j5 a7 \
补充八楼的说法,测试设备最好是可以实现自动控制功能的设备,例如在设定限值为0.1mm时,只要变形深度超过0.1mm,那么测试设备会自动停止加热,马上记录软化温度并显示出来。 |
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