Hard Turning: Chip Formation Mechanisms and Metallurgical Aspects

[+] Author and Article Information
Gérard Poulachon

ENSAM, LaBoMaP, 71250 Cluny, France

Tel: 00 33 385595330 Fax: 00 33 385595370


Alphonse L. Moisan

ENSAM, MécaSurf, 13100 Aix en Provence, France

Tel: 00 33 442938181 Fax: 00 33 442938100


J. Manuf. Sci. Eng 122(3), 406-412 (Oct 01, 1999) (7 pages) doi:10.1115/1.1285891 History: Received December 01, 1998; Revised October 01, 1999
Copyright © 2000 by ASME
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The different stages of the saw-tooth chip formation
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Ejection of the undeformed part
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High plastic deformation
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Saw-tooth morphology (1) highly deformed part, (2) weakly deformed part
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Chip morphology evolution versus the feed rate V=100 m/min,d=1 mm
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Chip morphology evolution versus the cutting speed f=0.1 mm/rev,d=1 mm
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Annealed steel 180 HV0.1
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Tempered steel 225 HV0.1
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Tempered steel 402 HV0.1
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Tempered steel 620 HV0.1
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Quenched steel 750 HV0.1
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Hardness evolution in a chip segment
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Chip morphology according to the hardness and the cutting speed




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