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Author:
Journal / Book Title:
Year:
Volume:
Issue:
5crmnmo gang de qiang ren hua chu li
Author(s):
LI Chongli
Pages:
32
-
35
Year:
1983
Issue:
5
Journal:
Ordnance Material Science and Engineering
Keyword:
淬火温度
;
强韧化
;
板条马氏体
;
热锻模
;
片状马氏体
;
试样尺寸
;
使用寿命
;
热处理工艺
;
试验钢
;
常规热处理
;
Abstract:
<正> 5CrMnMo钢是目前国内外广泛应用的中碳低合金热锻模具钢。一近年来,对该钢的组织与性能之间的关系进行了大量的研究。研究指出,适当提高钢的淬火温度,可使钢的K
1C
值明显提高。在500℃长时间回火,亦能提高钢的K
1C
值。从而改善了模具的内在质量和提高了使用寿命。
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