CRACKS AT THE FERRITE-AUSTENITE INTERFACE

被引:26
作者
TSCHEGG, E
KIRCHNER, HOK
KOCAK, M
机构
[1] UNIV VIENNA, INST SOLID STATE PHYS, A-1090 VIENNA, AUSTRIA
[2] GKSS, FORSCH ZENTRUM, GEESTHACHT GMBH, INST MAT RES, W-2054 GEESTHACHT, GERMANY
来源
ACTA METALLURGICA ET MATERIALIA | 1990年 / 38卷 / 03期
关键词
D O I
10.1016/0956-7151(90)90153-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Bulk specimenss for three point tests are produced from explosion clad austenite-ferrite material by electron beam welding bulk austenite and bulk ferrite to the respective surfaces. By milling, spark-erosion and fatigue cracks are introduced at and parallel to the interface in these specimens. At -30°C the crack extension force is the same for interfacial and bulk cracks in the ferrite. At room temperature the crack extension force for interfacial cracks is half of that for bulk ones, for suinterfacial cracks it lies between the two extremes. © 1990.
引用
收藏
页码:469 / 478
页数:10
相关论文
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