Problems and solutions in machining of titanium alloys

被引:293
作者
Pramanik, A. [1 ]
机构
[1] Curtin Univ, Dept Mech Engn, Perth, WA 6102, Australia
关键词
Titaniumalloy; Machining; Challenges; Productivity; CHIP FORMATION; CUTTING TEMPERATURES; SURFACE INTEGRITY; WEAR MECHANISMS; TOOL LIFE; MACHINABILITY; DEFORMATION; PERFORMANCE; BEHAVIOR; TI6AL4V;
D O I
10.1007/s00170-013-5326-x
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Titanium alloys are known as difficult-to-machine materials. The problems of machining titanium are many folds which depend on types of titanium alloys. This paper investigates the underlying mechanisms of basic challenges, such as variation of chip thickness, high heat stress, high pressure loads, springback, and residual stress based on the available literature. These are responsible for higher tool wear and worse machined surface integrity. In addition, many cutting tool materials are inapt for machining titanium alloys as those materials are chemically reactive to titanium alloys under machining conditions. To address these problems, latest techniques such as application of high pressure coolant, cryogenic cooling, tap testing, thermally enhanced machining, hybrid machining, and use of high conductive cutting tool and tool holder have also been discussed and correlated. It seems that all the solutions are not yet well accepted in the industrial domain; further advancement in those fields are required to reduce the machining cost of titanium alloys.
引用
收藏
页码:919 / 928
页数:10
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