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Effect of Addition Of Copper and Copper –Nickel Elements on Structure and Properties of Low Carbon Steels | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 28, Issue 23, 2010, Pages 6688-6702 PDF (416.41 K) | ||
| DOI: 10.30684/etj.28.23.7 | ||
| Author | ||
| Munthir Mohammed Radhy | ||
| Abstract | ||
| The purpose of this study is to investigate the effect of adding different amounts (2, 4, 6% of Cu) on properties and microstructure of low carbon steel .Also study the effect of the same amounts of Cu with half amount of Ni(1,2,3%Ni) are added on properties of low carbon steels. All these alloys(Fe-Cu,Fe-Cu-Ni) appear an increase of hardness and strength with increase of the amount of Cu or Cu-Ni. The microstructure obtained after heat treated(quenched and aging) of Fe-Cu and Fe- Cu-Ni alloys has been studied by optical microscopy, investigated by X-ray diffraction and hardness measurement. The microstructures obtained after quenching depending on composition and cooling rate, the massive ferrite and massive martensite appears on most of structures in above alloys. The microstructure after aging of above alloys shown some of precipitates appear as dash plates, rod and spheres in ferrite or martensite structure and this precipitates appear as X-ray diffraction were identified the copper rich phase €. | ||
| Keywords | ||
| Cu alloys; Ni alloys; Heat treatment; Mechanical properties; Massive Ferrite; Massive Martensite | ||
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