Paper Title:
Joining of Diamond Grains to Medium Carbon Steel with Ni-Base Powder during Laser Brazing
  Abstract

In order to develop new generation brazed Diamond grinding wheels, the joining experiments of Diamond super abrasive grains and medium carbon steel using the powder mixture of Ni-Cr alloy as active brazing alloy are carried out via laser in an argon atmosphere. The relevant characteristics of the special powder mixture, the microstructure of the interfacial region, which are both the key factors for determining the joining strength among the Diamond grains, the filler layer and the steel substrate, are investigated extensively by means of scanning electron microscope (SEM) and energy dispersion spectrometer (EDS), as well X-ray diffraction (XRD) analysis. The formation mechanism of carbide layers was discussed. All the results indicate that high strength bonding between diamond grits and the steel substrate has been successfully realized because the chromium in the Ni-based alloy segregated preferentially to the surface of the diamond to form a chromium-rich reaction product Cr3C2, and the bond between the alloy and the Diamond was established through the reaction product.

  Info
Periodical
Edited by
Bo Zhao, Guanglin Wang, Wei Ma, Zhibo Yang and Yanyan Yan
Pages
392-396
DOI
10.4028/www.scientific.net/KEM.455.392
Citation
Z. B. Yang, A. J. Liu, J. H. Xu, "Joining of Diamond Grains to Medium Carbon Steel with Ni-Base Powder during Laser Brazing", Key Engineering Materials, Vol. 455, pp. 392-396, 2011
Online since
December 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Yi Yi Tao, Jiu Hua Xu, Wen Feng Ding
Abstract:The machining performance of porous NiTi shape memory alloys prepared using powder metallurgical production technique has been investigated...
143
Authors: Guo Qin Huang, Hei Jie Chen, Hui Huang, Xipeng Xu
Abstract:The wear of a brazed diamond wheel with diamond grits covered with brazing alloy was investigated in comparison with a traditional brazed...
125
Authors: Xiao Ping Luo, Lan Ting Xia, Ming Gang Zhang
Abstract:The effect of Cd and Sb addition on the microstructural and mechanical properties of as-cast AZ31 alloys was investigated and compared. The...
197
Authors: Rui Na Ma, Sha Sha Jin, Hong Yun Li
Metal Alloy Materials
Abstract:The static constant corrosion tests on Fe-B eutectic alloy are investigated in liquid zinc at 500°C. The systematic observation and research...
805
Authors: Xiao Ming Wang, Sheng Zhu, Qing Chang, Guo Feng Han
Chapter 6: Engineering Materials and Functional Materials
Abstract:In order to protect magnesium alloy structure used in equipments, Al-based alloy coating on ZM5 magnesium alloy surface was prepared by...
756