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重型卡车车架磷化工艺
引用本文:叶法军,孙少朋.重型卡车车架磷化工艺[J].电镀与涂饰,2011,30(9):78-81.
作者姓名:叶法军  孙少朋
作者单位:武汉材料保护研究所,湖北武汉,430030
摘    要:重型卡车的车架材质主要由热轧板组成,其表面疏松、多孔,车架表面在脱脂、水洗、表调等工序中极易发黄、生锈.本文对前处理剂进行改进,使之适应热轧板的特性.研究了磷化液中Zn2+、Mn2+及Ni2+质量浓度对磷化膜表面形貌、膜重、P比(即Zn2Fe(PO4)2·4H2O与Zn3(PO4)2·4H2O之比)的影响,得出这几种离...

关 键 词:热轧车架  阴极电泳  脱脂  磷化  表面形貌

Phosphating process for heavy duty truck frames
YE Fa-jun,SUN Shao-peng.Phosphating process for heavy duty truck frames[J].Electroplating & Finishing,2011,30(9):78-81.
Authors:YE Fa-jun  SUN Shao-peng
Affiliation:YE Fa-jun*,SUN Shao-peng Wuhan Research Institute of Material Protection,Wuhan 430030,China
Abstract:For its loose and porous structure,the surface of heavy duty truck frames made of hot-rolled steel sheets tends to rust and turn yellow easily during the process of degreasing,washing and surface conditioning.The treatment agent was improved aiming at the characteristics of hot-rolled steel.The effects of the mass concentrations of Zn2+,Mn2+ and Ni2+ in phosphating bath on the surface morphology and weight of phosphating coating and the ratio of Zn2Fe(PO4)2.4H2O(P phase) to Zn3(PO4)2.4H2O(H phase) in it wer...
Keywords:hot-rolled steel frame  cathodic electrophoresis  degreasing  phosphating  surface morphology  
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