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引用第8楼bob_dai于2010-12-16 00:05发表的 :
6 ^& B0 g" s1 O7 [5 ?0 Athe softening temperature of the material is determined on a separate specimen, under the conditions: [$ q% v) k: t# Q
specified in ISO 306 with a heating rate of 50 °C/h and modified as follows:' K8 ~5 e6 h( ~" P
– the depth of penetration is 0,1 mm;
, c# C# `3 p3 S" C3 t– the total thrust of 10 N is applied before the dial gauge is set to zero or its initial reading noted.
. R3 t3 h. g5 a5 H& A0 o7 ^+ i
' Z1 f' Q+ k: b. {( S.......
5 Y. t `$ {1 I) z/ n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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