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Influence of heat input and post - weld heat treatment on microstructure and mechanical properties of power boiler steel P91 (9Cr-1Mo-V- Nb) weld joints / Mahmoud Abdelrahman Abdelsalam ; Supervised Mohamed Raafat Mahmoud Elkoussy , Iman Salah Eldeen Elmahalawi

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mahmoud Abdelrahman Abdelsalam , 2013Description: 148P. : charts , facsimiles ; 30cmOther title:
  • ( فانديم - نيوبيم -9كروم - 1مولبدنم) P91 تأثير مدخلات الحرارة والمعالجة الحرارية التالية للحام على البنية المجهرية والخواص الميكانيكية لصلب غلايات محطات الطاقة بعد اللحام [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Metallurgical Engineering Summary: Modified 9Cr - 1Mo steel pipes were welded using three different levels of heat inputs 1.1, 2.28 and 3.16 K.J/ mm, respectively . Normalizing treatment at 1050 {u00B0}C followed by tempering at 760 {u00B0}C, and tempering only were employed . The best combination of mechanical and corrosion properties with a significant increase of about 90% in time to rupture were obtained with heat inputs between 1.1 and 2.28 kJ/mm when employed with normalizing treatment compared to normal tempering treatment
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.12.Ph.D.2013.Ma.I (Browse shelf(Opens below)) Not for loan 01010110060786000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.12.Ph.D.2013.Ma.I (Browse shelf(Opens below)) 60786.CD Not for loan 01020110060786000

Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Metallurgical Engineering

Modified 9Cr - 1Mo steel pipes were welded using three different levels of heat inputs 1.1, 2.28 and 3.16 K.J/ mm, respectively . Normalizing treatment at 1050 {u00B0}C followed by tempering at 760 {u00B0}C, and tempering only were employed . The best combination of mechanical and corrosion properties with a significant increase of about 90% in time to rupture were obtained with heat inputs between 1.1 and 2.28 kJ/mm when employed with normalizing treatment compared to normal tempering treatment

Issued also as CD

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