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guo lv dui zg1cr18ni9ti duan lie wei guan guo cheng de ying xiang
Author(s): 
Pages: 81-85
Year: Issue:  4
Journal: Materials Science and Technology

Keyword:  filter molten metalfracture toughnesscrack nucleation;
Abstract: When two kinds of ZG1Cr18Ni9Ti samples, one group is filtered by a ceramic foam filter and another is not,are tested under the tension test machine within scanning electron microscope,a series of cracking micro- process are observed.Typical photo of cracking process and analyzing results show that the form of crack nucleation and development vary with the cha- nge in the size and dispersion of inclusion in the samples.The mechanism of increasing in the ductility of the metallic material by filtration with a ceramic foam filter is revealed.
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