交流电场增强45钢中低温粉末法渗硼特性

程健, 谢飞, 孙力, 朱丽曼, 潘建伟

CHARACTERIZATION OF ALTERNATING CURRENT FIELD ENHANCED PACK BORIDING FOR 45 CARBON STEEL AT LOW AND MEDIUM TEMPERATURES

CHENG Jian, XIE Fei, SUN Li, ZHU Liman, PAN Jianwei

表1 交流电场增强粉末法渗硼(ACFEPB)和常规粉末法渗硼(CPB)工艺参数

Table 1 Parameters of alternating current field enhanced pack boriding (ACFEPB) and conventional pack boriding (CPB) processes

Process Mass fraction of media Soaking time / h Temperature / ℃ Current / A formulation ACFEPB1 10%Fe-B+5%KBF4+ 4 800 4 CPB1 1%charcoal+84%SiC 0 ACFEPB21~ACFEPB26 5%Fe-B+5%KBF4+ 4 800 1~6 1%charcoal+89%SiC ACFEPB31~ACFEPB39 10%Fe-B+5%KBF4+ 4 400~800 4 CPB31~CPB39 1%charcoal+84%SiC 0 ACFEPB40~ACFEPB44 0~6 800 4 CPB40~ CPB44 0~6 800 0 ACFEPB50~ ACFEPB54 0~6 600 4