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Microstructural changes at the ultra-precision machined surface of Zn–Al based alloy

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Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 99 Issue 3

Abstract

Using X-ray diffraction and back-scattered electron microscopy techniques, microstructural changes and phase decomposition at the ultra-precision machined surface of a Zn – Al based alloy were studied. The effects of the depth of cut on the microstructural changes were discussed in relation to the creep deformation, and the milling-induced microstructural changes. Structural evolution of the chip from the machining was studied in order to understand the ultra-precision machining induced phase decomposition. The effect of ultra-precision machining on the hardness of the surface of the alloy specimen was studied.

Keywords: Ultra-precision machining; Microstructure; Phase decomposition; Milling; Zn – Al alloys
* Correspondence address, Dr. Yaohua Zhu, Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, Tel: +852 2766 4983, Fax: +852 2362 5267, E-mail:

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Received: 2006-11-13
Accepted: 2007-12-20
Published Online: 2013-06-11
Published in Print: 2008-03-01

© 2008, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.101639
Keywords for this article
Ultra-precision machining; Microstructure; Phase decomposition; Milling; Zn – Al alloys

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Christoph Schwink 80 years
  5. Basic
  6. Initial stage of bi-modal microstructure in TiO2-doped α-Al2O3 ceramics induced by SiO2 impurity
  7. Statistical thermodynamic approach to molten Fe–Cr–P
  8. Phase diagram of the iron-rich portion in the iron–gallium–aluminum ternary system
  9. Isothermal section at 773 K of the Gd–Er–Co ternary system
  10. Thermophysical properties of Nd-, Er-, YNi-alloys
  11. Influence of carbides and of the dendritic orientation on the thermal expansion of Ni-base, Co-base and Fe-base simple cast alloys
  12. Influence of previous ageing treatments on the strength of an Al-4.3 wt.% Mg-1.2 wt.% Cu alloy processed by ECAE
  13. Applied
  14. Formation and microstructure of (Ti, V)C-reinforced iron-matrix composites using self-propagating high-temperature synthesis
  15. Effect of Cr and V on phase equilibria in Co–WC based hardmetals
  16. Thermodynamic modeling of the Cu–Se system
  17. Phase transition in the Fe–V system
  18. Microstructural changes at the ultra-precision machined surface of Zn–Al based alloy
  19. Study of structural and electrical properties of arsenic ferrites
  20. Study of thin film structure based on MgF2, CeO2 and Al2O3 layers for optical applications
  21. Notifications
  22. DGM News
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