Evaluation of Fracture Toughness Distribution in Ceramic-Metal Functionally Graded Materials
作者： Keiichiro Tohgo , Hiroyasu Araki , Yoshinobu Shimamura
DOI: 10.4028/WWW.SCIENTIFIC.NET/KEM.345-346.497
关键词: Composite material 、 Fracture (geology) 、 Austenitic stainless steel 、 Cubic zirconia 、 Materials science 、 Microstructure 、 Ceramic metal 、 Powder metallurgy 、 Fracture toughness
摘要: This paper deals with evaluation of fracture toughness in functionally graded materials (FGMs) consisting partially stabilized zirconia (PSZ) and austenitic stainless steel SUS 304. FGMs non-graded composites (non-FGMs) fine coarse microstructures are fabricated by powder metallurgy using PSZ two kinds 304 powders. The is determined conventional tests for several non-FGMs each material composition a method utilizing stable crack growth FGMs. Based on the experimental results, mechanism, influences microstructure toughness, difference between has been discussed.
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