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Influence of heat treatment conditions on the wear resistance and hot tensile properties of the Ti-6Al-4V alloy / Manar Nady Abdelghany Mansour ; Supervised Waleed Mohamed Khalifa , Shimaa Hasan Elhadad , Ahmed Yehia Shash

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Manar Nady Abdelghany Mansour , 2019Description: 52 P. : charts , facsimiles ; 30cmOther title:
  • تأثير ظروف المعالجة الحرارية على مقاومة البرى و خصائص الشد على الساخن لسبيكة تيتانيوم-6 ألومنيوم-4 فناديوم [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Metallurgical Engineering Summary: In the current work, several heat treatments were carried out below and above the beta transus temperature of the Ti-6Al-4V alloy. The resultant microstructures and their effects on hardness, wear resistance and hot tensile properties of the Ti-6Al-4V alloy were examined. The results showed that solution treatment of Ti-6Al-4V samples followed by water quenching from Ý and Ü/Ý fields raised the alloy hardness from 380 to 575 and 656 HV respectively while no remarkable changes were observed after aging. Hot tensile strength of the as-forged sample increased from 671 to 756 MPa after water quenching from the Ý-phase field, while the air cooling decreased the tensile strength 644 MPa. The fracture mode of the tensile samples was more ductile in case of the solution treated samples compared to the as forged samples. A subsurface layer was formed due to the diffusion of oxygen into the surface at high temperatures. This layer masked the differences of wear behavior of the specimens
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.12.M.Sc.2019.Ma.I (Browse shelf(Opens below)) Not for loan 01010110078477000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.12.M.Sc.2019.Ma.I (Browse shelf(Opens below)) 78477.CD Not for loan 01020110078477000

Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Metallurgical Engineering

In the current work, several heat treatments were carried out below and above the beta transus temperature of the Ti-6Al-4V alloy. The resultant microstructures and their effects on hardness, wear resistance and hot tensile properties of the Ti-6Al-4V alloy were examined. The results showed that solution treatment of Ti-6Al-4V samples followed by water quenching from Ý and Ü/Ý fields raised the alloy hardness from 380 to 575 and 656 HV respectively while no remarkable changes were observed after aging. Hot tensile strength of the as-forged sample increased from 671 to 756 MPa after water quenching from the Ý-phase field, while the air cooling decreased the tensile strength 644 MPa. The fracture mode of the tensile samples was more ductile in case of the solution treated samples compared to the as forged samples. A subsurface layer was formed due to the diffusion of oxygen into the surface at high temperatures. This layer masked the differences of wear behavior of the specimens

Issued also as CD

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