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引用第8楼bob_dai于2010-12-16 00:05发表的 :
5 g' F4 D0 q$ @$ tthe softening temperature of the material is determined on a separate specimen, under the conditions
" K/ v, f) @; N a* [5 }specified in ISO 306 with a heating rate of 50 °C/h and modified as follows:! Q4 w5 x) z5 W! Z
– the depth of penetration is 0,1 mm;
( F( d9 }4 X4 E" F% O– the total thrust of 10 N is applied before the dial gauge is set to zero or its initial reading noted.! C$ c9 H- t# l& E- T1 I/ s
# [. i K' n: K( @; b+ l0 p
.......
, ?- S7 z$ P+ T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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