Aspects of Wear Mechanisms of Carbide Tools when Machine Hastelloy C-22HS

Abstract

In this study the performances of some commercially available carbide inserts when machining Hastelloy C-22HS was investigated under scanning electron microscopy (SEM) for wear mechanisms and other microstructure defects. Carbide inserts coated with TiCN/TiN and TiALN/ TiN experienced severe intergranular fractures and cracks. High temperature causes the layer of the coating to wear off and subsequently the inserts damaged at fast rates. Both types of inserts suffered from high crater wear and thermal cracking. Most of the wear occurred at the nose and flank of the inserts. Generally, it was observed that carbide coated with TiALN/ TiN cutting tool performed better than carbide coated TiCN/TiN cutting tool when milling Hastelloy C-22HS

Machining of Hastelloy-X Based on Finite Element Modelling

“…Kadirgama et al [5] studied the cutting tool life and wear mechanism of Hastelloy-C22HS. In another research [6], wear mechanisms and microstructural defects in different cutting tools were investigated. It was reported that high cutting temperatures induce the layer of coating to wear off and subsequently cutting tools are damaged very quickly.…”

Research on Stamping Forming and Spring-Back of Automotive Panel

“…In fact, the stamping forming mechanical process, which includes geometric nonlinearity, material nonlinearity and boundary condition nonlinearity, is extraordinarily complex. Currently, some researchers have studied stamping forming and spring-back of automotive panel by analytic approaches and trial method [3][4][5][6]. However, due to the complication, several researchers constructed the spring-back analytical model with the neglect of all the affecting factors, that cause a deviation between analytical value and the actual value, and analytical value can not be used in the follow-up research [7].…”