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引用第8楼bob_dai于2010-12-16 00:05发表的 :
0 o# ]6 U0 {5 k9 Ythe softening temperature of the material is determined on a separate specimen, under the conditions
+ v* [8 O# Y1 B$ H) lspecified in ISO 306 with a heating rate of 50 °C/h and modified as follows:
9 v% l& z3 }1 c( h& B4 t! F– the depth of penetration is 0,1 mm;2 V* L- k8 a) n& |; O7 v
– the total thrust of 10 N is applied before the dial gauge is set to zero or its initial reading noted. W2 m, n( K# F5 X* g& O* D
( C! Z& i- ~* L, e....... ( h0 x) b$ j+ h$ \6 \
很具体,谢谢! |
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