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STUDY EFFECTIVE OF HARDENING BY BAD OIL ENGINE AND TEMPERING TO SOME MECHANICAL PROPERTIES | ||
| DIYALA JOURNAL OF ENGINEERING SCIENCES | ||
| Article 4, Volume 4, Issue 1, 2011, Pages 20-30 PDF (0 K) | ||
| Author | ||
| Hatam Abd Hassan | ||
| Abstract | ||
| ABSTRACT:- This research aims to develop some mechanical properties for carbon steel (CK38) ductility ,yield stress ,shear stress ,ultimate stress ,fracture stress and impact strength ) at quenching (15) samples testing for every tensile and intact tests in dissociated engine oil medium with circulating and tempering at 260 oC , 460 oC and 650 oC temperature) , ( 3) samples testing for every tempering temperature) , (5) for hardness and one for chemicals composition . then compare mechanical properties before and after heat treatment to show if we can use it in much and important The results after heat treatment show increase in ductility ,yield stress ,shear stress ,ultimate stress ,fracture stress ,impact strength , static and dynamic energy . | ||
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