Abstract
The technology of high speed machining on high strength steel is applied widely in manufacture industry. The formation of serrated chips which is produced by the adiabatic shear behavior in high speed machining is also an emphasis in research. First of all, the experimental study of orthogonal cutting in different cutting conditions is investigated for H13 hot work die steel. Then, the morphology of chips and microstructure characterization in adiabatic shear bands of H13 hot work die steel were observed and analyzed by microhardness tester, optical microscope and SEM. The results of these investigations show that a critical cutting speed induced the adiabatic shear behavior. Two types of adiabatic shear band, i.e. deformed band and transformed band are formed in cutting process. The morphology of chips gradually changes along with the appearance and evolution of adiabatic shear bands. Microstructure surveying by SEM and Hardness measurement were performed and the debate of formation in adiabatic shear band is discussed in detail. It is important to know reasons of chip formation better during high speed machining. It also provides a theoretic basis for practical cutting manufacture.
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Lu, S., Xie, Q. (2008). Study on Adiabatic Shear Behaviour in Orthogonal Cutting of H13 Steel. In: Yan, XT., Jiang, C., Eynard, B. (eds) Advanced Design and Manufacture to Gain a Competitive Edge. Springer, London. https://doi.org/10.1007/978-1-84800-241-8_20
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DOI: https://doi.org/10.1007/978-1-84800-241-8_20
Publisher Name: Springer, London
Print ISBN: 978-1-84800-240-1
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