By J. Paulo Davim
This ebook provides a set of examples illustrating the resent learn advances within the machining of titanium alloys. those fabrics have first-class energy and fracture durability in addition to low density and reliable corrosion resistance; in spite of the fact that, machinability continues to be terrible because of their low thermal conductivity and excessive chemical reactivity with slicing instrument fabrics. This e-book offers suggestions to reinforce machinability in titanium-based alloys and serves as an invaluable connection with execs and researchers in aerospace, automobile and biomedical fields.
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Extra info for Machining of Titanium Alloys
A. 65 The term machinability is commonly used to describe the ease or difficulties of machining for a certain work material. The machining performance is governed by several contributing factors in addition to mechanical properties of work material. Machining processes, cutting tools, and cutting conditions are among the 2 Cutting Tool Materials and Tool Wear 39 important factors that affect the machinability of certain material on the top of its mechanical properties. Generally speaking, although hard materials are generally hard to cut, but every hard to cut material is not necessarily hard.
A typical carbide tool comprises these carbide particles bounded together in a matrix of cobalt using sintering process . Among the carbide tools, tungsten carbide with 6 % cobalt binder was initially introduced to the industry in Germany in 1926 . The mechanical characteristics and performance of carbide tools are greatly affected by the type of carbide. For instance, increasing the tungsten content will increase the wear resistance, but adversely affect the tool strength. Cobalt content also affects the mechanical properties of carbide tools.
Among these components, cutting tool is the key element that serves in the front line of cutting action. Cutting action becomes a challenge when it comes to machining difficult-to-cut materials. Titanium and its alloys are among the most difficult-to-cut materials which are widely used in diverse industrial sectors. This chapter aims to provide a historical background and application of different cutting tools in machining industry with a main focus on the applicable cutting tools in machining titanium and titanium alloys.
Machining of Titanium Alloys by J. Paulo Davim