Problems and solutions in machining of titanium alloys

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,...

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Main Author: Pramanik, Alokesh
Format: Journal Article
Published: Springer 2014
Online Access:http://hdl.handle.net/20.500.11937/26598
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author Pramanik, Alokesh
author_facet Pramanik, Alokesh
author_sort Pramanik, Alokesh
building Curtin Institutional Repository
collection Online Access
description 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.
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spelling curtin-20.500.11937-265982017-09-13T15:29:11Z Problems and solutions in machining of titanium alloys Pramanik, Alokesh 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. 2014 Journal Article http://hdl.handle.net/20.500.11937/26598 10.1007/s00170-013-5326-x Springer restricted
spellingShingle Pramanik, Alokesh
Problems and solutions in machining of titanium alloys
title Problems and solutions in machining of titanium alloys
title_full Problems and solutions in machining of titanium alloys
title_fullStr Problems and solutions in machining of titanium alloys
title_full_unstemmed Problems and solutions in machining of titanium alloys
title_short Problems and solutions in machining of titanium alloys
title_sort problems and solutions in machining of titanium alloys
url http://hdl.handle.net/20.500.11937/26598