نتایج جستجو برای: ti 6al 4v

تعداد نتایج: 35996  

Journal: :journal of modern processes in manufacturing and production 2015
hassan gheisari ebrahim karamian

most of the materials used in the industry of aero-engine components generally consist of titaniumalloys. advanced materials, because of their excellent combination of high specific strength, lightweight and general corrosion resistance. in fact, chemical wear resistance of aero-engine alloyprovides a serious challenge for cutting tool material during the machining process. the reductionin cutt...

Journal: :High Temperature Material Processes 2022

In this work, surface Ti-Cu-Al-V alloy was synthesized by compression plasma flows impact on Ti-6Al-4V titanium preliminarily coated copper. The treatment of Cu/Ti-6Al-4V samples carried out three pulses generated in the nitrogen atmosphere (energy density absorbed varied range 26-43 J/cm2 per pulse). phase and elemental composition, structure, microhardness friction coefficient formed were inv...

Journal: :Acta biomaterialia 2008
S J Li T C Cui Y L Hao R Yang

Due to recent concern about allergic and toxic effects of Ni ions released from TiNi alloy into human body, much attention has been focused on the development of new Ni-free, metastable beta-type biomedical titanium alloys with a reversible phase transformation between the beta phase and the alpha'' martensite. This study investigates the effect of the stress-induced alpha'' martensite on the m...

2004
Z. Sun

Titanium alloys have found increased applications in various industrial sectors. One of the critical issues in quality control is the weld penetration during welding. In the present paper, tungsten inert gas (TIG) welding of Ti-6Al-4V alloy with and without an activating flux was conducted. The effect of the activating flux on Ti alloy welding was investigated. A data acquisition system was use...

2002
Rajesh Kumar Tiwari H. C. Dorn T. C. Ward J. O. Glanville M. R. Anderson J. G. Dillard

The lap shear strength of chromic acid anodized, primed, Ti-6Al-4V alloy bonded with a high performance FM-5 polyimide adhesive has been investigated as a function of thermal treatment for selected times at various temperatures in air. The research findings indicate that the lap shear strength decreases with the increase in duration of the thermal treatment at constant temperature and with the ...

ژورنال: :علوم و مهندسی سطح ایران 0

هدف از پژوهش حاضر ارزیابی و مقایسه مشخصه های ساختار سطحی آلیاژ ti 6al 4v پس از انجام دو فرآیند مهندسی سطح شامل فرآیند     نیتروژن دهی پلاسمایی و فرآیند دوتایی نیتروژن دهی پلاسمایی و لایه نشانی نیترید تیتانیم به وسیله رسوب فیزیکی از فاز بخار است. عملیات     نیتروژن دهی پلاسمایی در دماهای 700، 750، 800 و °c850 به مدت 10 ساعت با ترکیب گاز نیتروژن و هیدروژن با نسبت 4 به 1 انجام شد. جهت انجام فرآیند...

ژورنال: مهندسی مکانیک 2017

امروزه آلیاژ تیتانیوم Ti-6Al-4V به‌دلیل خواص فیزیکی و مکانیکی همچون استحکام بالا، چگالی کم نسبت به فولاد، مقاومت عالی در برابر خوردگی و قابلیت جوشکاری بالا در صنعت مورد توجه قرار گرفته است. یکی از کاربردهای آلیاژ تیتانیوم Ti-6Al-4V که منجر به بهبود خواص مکانیکی قطعات فولادی می­گردد، استفاده از آن در فرایند لایه­نشانی است. در مقالة حاضر از منطق فازی برای مدلسازی فرایند لایه­نشانی به‌کمک لیزر پال...

Present work aims at multi-mechanical surface treatment of Ti-6Al-4V based-miniplate implant manufactured by electrical discharge machining (EDM) for biomedical use. Mechanical surface treatment consists of consequent use of ultrasonic cleaning, rotary tumbler polishing, and brushing. Surface layers are analyzed employing scanning electron microscopy and energy dispersive X-ray spectroscopy. Al...

2017
Xiaohao Sun Weiwei Zhou Keiko Kikuchi Naoyuki Nomura Akira Kawasaki Hisashi Doi Yusuke Tsutsumi Takao Hanawa

A low magnetic Zr-1Mo alloy was fabricated by a powder bed fusion (PBF) process using a fiber laser. The microstructure, surface morphology, and pore distribution of the as-built Zr-1Mo alloy were observed. Its magnetic susceptibility and Vickers hardness were evaluated by magnetic susceptibility balance and a microindentation tester, respectively. The as-built Zr-1Mo alloy mainly consisted of ...

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