Abstract:In the present research, the physics and chemistry tests were conducted, and microstructural analyses were made on the cracked regions of the bar after cold forging by using a SUPRA 35 scanning electron microscope (SEM) equipped with a Oxford energy dispersive spectrometry (EDS) microanalysis. The formation of nonmetallic inclusions during metallurgical process is investigated. The results have shown that the internal defects such as shrinkage porosity and square segregation, etc do not result in cracking phen… Show more
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