Influence of Matrix Strength and Volume Fraction of Mg‐ PSZ on the Cyclic Deformation Behavior of Hot Pressed TRIP / TWIP ‐ M atrix Composite Materials

Particle reinforced metal matrix composites (MMCs) based on high-alloyed CrMnNi steels and partially stabilized zirconia (Mg-PSZ) are produced using the hot pressing technique. The resulting materials differ in the chemical composition of the high-alloyed steel matrix and volume fraction of Mg-PSZ....

Full description

Saved in:
Bibliographic Details
Published in:Advanced engineering materials 2013-07, Vol.15 (7), p.550-557
Main Authors: Glage, Alexander, Weigelt, Christian, Raethel, Jan, Biermann, Horst
Format: Article
Language:English
Subjects:
Chemical composition
Composite materials
Deformation mechanisms
High alloy steels
Magnesium
Metal matrix composites
Partially stabilized zirconia
Steels
Volume fraction
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Particle reinforced metal matrix composites (MMCs) based on high-alloyed CrMnNi steels and partially stabilized zirconia (Mg-PSZ) are produced using the hot pressing technique. The resulting materials differ in the chemical composition of the high-alloyed steel matrix and volume fraction of Mg-PSZ. The change of chemical composition has a substantial influence on the austenite stability and stacking fault energy, triggering different deformation mechanisms in terms of the deformation-induced transformation of austenite into - and/or [alpha]'-martensite and/or deformation-induced twinning. MMCs with 5 and 10vol% Mg-PSZ as well as unreinforced steels are investigated in total strain controlled fatigue tests. The focus of this work is to clarify the effect of the matrix strength and Mg-PSZ volume fraction on the cyclic deformation behavior. This includes the discussion of cyclic hardening and/or softening during fatigue tests, consequences on the fatigue life times and deformation-induced microstructures. The fatigue behavior of particle reinforced MMCs with high-alloyed CrMnNi steels as matrix reinforced with partially stabilized zirconia (Mg-PSZ) is investigated. It is shown, that the fatigue behavior is influenced significantly by the chemical composition of the steel matrix and Mg-PSZ volume fraction. Depending on the chemical composition, the high-alloyed steels show the TWIP and TRIP effect under cyclic loading.
ISSN:1438-1656
1527-2648
DOI:10.1002/adem.201200334