Effect Heat Treatment on the Structure and Properties of NiCrSiBC Surfaced on Steel P91

被引：1
作者：
Naik, H. V. [1 ]
Kalyankar, V. D. [2 ]
Solanki, Krunal [3 ]
Pandya, N. M. [4 ]
Bhoskar, Avishkar [2 ]
机构：
[1] Wear Resist Technol Pvt Ltd, Vadodara, Gujarat, India
[2] Sardar Vallabhbhai Natl Inst Technol, Surat, Gujarat, India
[3] L&T MHPS Turbine Generators, Surat, Gujarat, India
[4] Ctr Entrepreneurship Dev, Surat, Gujarat, India
来源：
METAL SCIENCE AND HEAT TREATMENT | 2023年 / 64卷 / 9-10期
关键词：
post-welding heat treatment; hard facing; steel P9; NiCrSiBC; microhardness; microstructure; PLASMA TRANSFERRED ARC; BUFFER LAYER; POWDER; ALLOY;
D O I：
10.1007/s11041-023-00846-w
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effect of duration of post-welding heat treatment on the structure and properties of NiCrSiBC surfaced with an SS-3091 buffer layer on steel P91 (10CrMoVNb9-1) is studied. Scanning electron microscopy, energy dispersive spectroscopy and x-ray diffractometry are used to investigate the degree of nonuniformity of the distribution of chemical elements and formation of borides and carbides in the surfaced layer. The microhardness of the layer is determined after different treatments. An effective mode of post-welding heat treatment of steel P91 with surfaced wear-resistant layer from a NiCrSiBC alloy and a buffer layer from steel SS-309L is suggested (1-h annealing at 760 degrees C followed by slow cooling).
引用
收藏
页码：528 / 536
页数：9
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