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Numerical simulation and global heat transfer computations of thermoelastic stress in Cz silicon crystal

  • M. Avinash Kumar , M. Srinivasan and P. Ramasamy
Published/Copyright: October 4, 2019
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 110 Issue 10

Abstract

Global heat transfer computations were performed for the investigation of thermal stress in a Czochralski silicon crystal. The temperature distribution, thermal stress properties including maximum shear stress and von Mises stress distributions at two different axial crystal positions have been investigated with the help of heat transfer simulations. By analyzing the obtained results, the thermal stress maxima during the Czochralski growth process can be controlled by applying optimal crystal rotation of 8 rpm and counter crucible rotations of 5 and 15 rpm for a crystal position of 100 mm and 300 mm. This shows that by applying optimal crystal and counter crucible rotations throughout the growth process, the thermal stress maxima of a growing crystal can be reduced.

Keywords: Silicon; Single crystal; Simulation; Heat transfer; Thermal stress
∗Correspondence address, Dr. M. Srinivasan, Assistant Professor, SSN Research Centre, SSN College of Engineering, Kalavakkam-603 110, Chennai., Tamilnadu, India, Mobile: +91 8939316518, E-mail:

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Received: 2019-03-14
Accepted: 2019-05-10
Published Online: 2019-10-04
Published in Print: 2019-10-16

© 2019, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111824
Keywords for this article
Silicon; Single crystal; Simulation; Heat transfer; Thermal stress

Articles in the same Issue

  1. Review
  2. Status and development of powder metallurgy nickel-based disk superalloys
  3. Original Contributions
  4. Numerical simulation and global heat transfer computations of thermoelastic stress in Cz silicon crystal
  5. Influence of inter-object relations on the microstructural evolution during hot upsetting of a steel billet determined by numerical simulation
  6. Structural and electrochemical properties of lithiated conical carbon nanotubes as anode materials for lithium ion accumulating systems
  7. Effect of nitrogen content on microstructure, mechanical properties, and corrosion behaviour of coarse-grained heat-affected zone of nitrogen-containing austenitic stainless steel
  8. The effect of thermomechanical treatment on the microstructure and mechanical properties of high Mn–Cr austenitic steels
  9. Effect of nanostructured Al on microstructure, microhardness and sliding wear behavior of Al–xGnP composites by powder metallurgy (PM) route
  10. Surface mechanical attrition treatment of commercially pure titanium by electromagnetic vibration
  11. High-temperature oxidation resistance behavior of porous Ni-16Cr-9Al materials
  12. Effect of sintering temperature on structural and magnetic properties of bulk Mg-ferrites
  13. Contents
  14. Contents
  15. DGM News
  16. DGM News
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