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1. Specific machining requirements for low-machinability materials
The best machining conditions for difficult-to-machine materials can only be achieved with a good knowledge of the microstructures and mechanical, physico-chemical and thermal properties of these materials, so as to be able to assess their effects on the behavior of cutting tools and the efficiency of the processes used.
The compositions of some of the materials cited in the remainder of this article are given in Table 1 .
1.1 Superalloys
Superalloys are mainly used to maintain their properties at high temperatures: mechanical strength, creep, fatigue, oxidation and corrosion resistance.
Nickel alloys are hardened by...
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Specific machining requirements for low-machinability materials
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