3
Views
2
CrossRef citations to date
0
Altmetric
Articles

Work Hardening Sintered Materials—A Metallographic Study

Pages 221-226 | Published online: 19 Jul 2013
 

Abstract

Sintered alloy steels generally have a heterogeneous structure. Austenite may, in some cases, be present at room temperature. The work reported shows that the action of cold work causes the transformation of metastable austenite to martensite and that a big increase in hardness results. Sintered steels used in bearing applications make use of the transformation phenomenon; an initial ‘bedding in’ period being followed by a high resistance to further wear. It is shown that a 4% nickel composition has a good ratio of initial to final hardness. Higher alloy contents are less effective because the austenite produced on cooling from the sintering temperature is too stable to transform readily.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.