Paper Title:
Influence of Steel Grain Size on Residual Stress in Grinding Processing
  Abstract

The fine-grained rolling steels NFG600 and the conventional usual rolling steels SM490 were processed by sand paper polishing and mechanical grinding to compare the residual stress generated after processing. The average grain size of NFG600 and SM490 is 3 μm and 15μm respectively. Therefore improvement of mechanical properties for such fine-grained steels is expected, it is important to understand the residual stress state of new fine-grained materials with processing. In this study, multi axial stresses of two kinds of specimens after polishing and grinding were measured by three kinds of analysis methods including cos-ψ method. As a result, as for σ33, the stress of NFG was compression, though that of SM490 was tension.

  Info
Periodical
Materials Science Forum (Volumes 638-642)
Main Theme
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
2389-2394
DOI
10.4028/www.scientific.net/MSF.638-642.2389
Citation
M. Gotoh, K. Seki, M. Shozu, H. Hirose, T. Sasaki, "Influence of Steel Grain Size on Residual Stress in Grinding Processing", Materials Science Forum, Vols. 638-642, pp. 2389-2394, 2010
Online since
January 2010
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Price
$32.00
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