survey and study of machinability for titanium alloy ti-6al-4v through chip formation in milling process

Authors

hassan gheisari

ebrahim karamian

abstract

most of the materials used in the industry of aero-engine components generally consist of titaniumalloys. advanced materials, because of their excellent combination of high specific strength, lightweight and general corrosion resistance. in fact, chemical wear resistance of aero-engine alloyprovides a serious challenge for cutting tool material during the machining process. the reductionin cutting temperature distributions leads to an increase in tool life and a decrease in wear rate.hence, the chip morphology and segmentation play a predominant role in determiningmachinability and tool wear during the machining process. the result of low thermal conductivityand diffusivity of this alloy is in the concentration of high temperatures at the tool-work-piece andtool-chip interface. consequently, the chip morphology is very important in the study ofmachinability of metals as well as the study of cutting tool wear. otherwise, the result will beaccelerating tool wear, increasing manufacturing cost and time consuming.

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Journal title:
journal of modern processes in manufacturing and production

Publisher: islamic azad univesity, najafabad branch

ISSN

volume 4

issue 2 2015

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