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引用第8楼bob_dai于2010-12-16 00:05发表的 :
; L: b- J9 L- Y4 ~7 ithe softening temperature of the material is determined on a separate specimen, under the conditions
1 [, M" j! Z0 s% X& d v4 gspecified in ISO 306 with a heating rate of 50 °C/h and modified as follows:
, s' R; ?9 h1 k% `9 C9 g# j– the depth of penetration is 0,1 mm;2 q! Y4 U: K" Z+ n
– the total thrust of 10 N is applied before the dial gauge is set to zero or its initial reading noted.
, R" N; K- h( c$ P. S: E4 W# q+ z, t1 }3 b2 z
....... ' A0 w; y0 d6 Q8 o: j( M$ k- G' L" R
很具体,谢谢! |
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