International Journal of Precision Engineering and Manufacturing

  • 제9권2호
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  • Pages.11-17
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  • 2008
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  • 2234-7593(pISSN)
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  • 2005-4602(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지

Transition Mechanism from Brittle Fracture to Ductile Shear when Machining Brittle Materials with an Abrasive Waterjet

  • Huang, Chuanzhen (Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University) ;
  • Zhu, Hongtao (Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University) ;
  • Lu, Xinyu (Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University) ;
  • Li, Quanlai (Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University) ;
  • Che, Cuilian (Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University)
  • 발행 : 2008.04.01
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초록

Critical erosion kinetic energy models for radial/median cracks and lateral cracks in a workpiece are established in this study. We used experimental results to demonstrate that the fracture erosion resistance and erosion machining number could be used to evaluate the brittle fracture resistance and machinability of a workpiece. Erosion kinetic energy models were developed to predict brittle fracture and ductile shear, and a critical erosion kinetic energy model was developed to predict the transition from brittle fracture to ductile shear. These models were verified experimentally.

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참고문헌

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