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Author:
Journal / Book Title:
Year:
Volume:
Issue:
xin bian mo ju shi yong ji shu 300 li
Author(s):
WANG Dewen
Pages:
10
Year:
1997
Issue:
2
Journal:
Heat Treatment Technology and Equipment
Keyword:
渗硼剂
;
硅碳棒
;
稀土合金
;
防护涂料
;
渗剂
;
涂层厚度
;
高温型
;
渗层厚度
;
渗层深度
;
渗层组织
;
Abstract:
<正> 232.45钢制硅碳棒成型模用以硼酸为供硼源的膏剂渗硼处理 在由以硼酸为供硼源的渗硼膏剂上,再加覆有一层防护涂料的硅碳棒成型模,不需装箱即可在空气炉中加热进行渗硼,用此法渗硼的模具使用寿命可提高到近千件。 (1)渗剂成分及配制 渗剂以硼酸(含量为20%~50%)为供硼源;以稀土合金(含量为30%~50%)为还原剂;以CaF
2
为高温型活化剂;以CaF
2
,Na
2
SiF
6
为中温型活化剂;以
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