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Study of the nitriding process for samples coated with chromium by the deposition method | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 26, Issue 2, 2008, Pages 37-48 PDF (1.14 M) | ||
| DOI: 10.30684/etj.26.2.14 | ||
| Authors | ||
| امين دواي ثامر; ايمان عدنان عنون; مهدي مطر حنون | ||
| Abstract | ||
| In this paper nitriding is performed on (Nitralloy135) alloyed steel which is coated with chromium before heat treatment. Tests and inspections were preformed like coated layer depth and hardness .The result show that nitriding layer depth increases with nitriding time. Max. Layer depth is (0.45) mm with nitriding time (90) min. , when chromium is added to the alloy the nitriding depth layer increased with time decrease, and also in micro structure test shows fine and uniform structure and stable steel phases. As for mechanical properties hardness was (1000HV) at (550°C), Also other mechanical properties (Tensile Stress, Yield Point, Elongation) as shown in properties table ,So we have a hard tough sample with good properties as the objective of this paper. | ||
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