The fracture toughness of cold work tool steels

J. Blaha, E. A. Werner, W. Liebfahrt

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

The influence of the composition and the microstructure on the plane strain fracture toughness of five cold work tool steels all processed via the powder metallurgical route is investigated using 3-point bending specimens. The steels differ in composition and therefore possess different volume fractions of carbides. The amount, size and distribution of the carbides in the matrix are estimated by quantitative image analysis on a plane parallel to the fracture surface without discrimination of the carbide type, since the carbides are always much harder [1,2] than the matrix, irrespective of their composition. Due to the production of the steels via the powder metallurgical route almost all carbides are spherical in shape. The mechanical in-situ properties of the matrix are characterized by indentation tests performed with an "Ultra-Micro"-indenter in a scanning electron microscope.

Original languageEnglish
Title of host publicationProceedings of the Second International Conference on Processing Materials for Properties
EditorsB. Mishra, C, Yamauchi
PublisherMinerals, Metals and Materials Society
Pages623-628
Number of pages6
ISBN (Print)087339495X, 9780873394956
StatePublished - 2000
EventProceedings of the Second International Conference on Processing Materials for Properties - San Francisco, CA, United States
Duration: 5 Nov 20008 Nov 2000

Publication series

NameProceedings of the Second International Conference on Processing Materials for Properties

Conference

ConferenceProceedings of the Second International Conference on Processing Materials for Properties
Country/TerritoryUnited States
CitySan Francisco, CA
Period5/11/008/11/00

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