نتایج جستجو برای: آلیاژ 7075
تعداد نتایج: 3842 فیلتر نتایج به سال:
In this study, the effect of toolchr('39')s advance velocity on the mechanical behavior of the Al-7075 alloy during friction stir welding was simulated. In this simulation, the Lagrangian method with rigid-Visco-plastic material was used. The results of the process temperature obtained by the simulation method were verified by the experimental welding test. Using the characteristic stress, stra...
بررسی رفتار خوردگی پوشش نانو ساختار خود ترمیم کننده اکسید تیتانیوم اعمال شده به وسیله فرایند سل - ژل
چکیده: مطالعات زیادی روی تاثیر پدیده خود ترمیم شوندگی بر رفتار خوردگی پوشش انجام شده است. پوشش خود ترمیم کننده جز پوشش های هوشمند بوده که در عین نوپا بودن به علت پتانسیل های کاری بالا در صدر توجه قرار دارند و تحقیقات گسترده ای برای بهبود و توسعه آن ها درحال انجام است و اساس کارشان بر میکروکپسوله کردن استوار است. پوشش های سرامیکی همانند اکسید تیتانیوم، اکسید آلومینیوم و اکسید زیرکونیم به دلیل د...
Dariush Ilghari, Kirsty L. Lightbody, Vaclav Veverka, Lorna C. Waters, Frederick W. Muskett, Philip S. Renshaw and Mark D. Carr Department of Biochemistry, University of Leicester, Henry Wellcome Building, Leicester, LE1 9HN, U.K. Running title: Solution structure of M. tuberculosis EsxG•EsxH complex * To whom correspondance should be addressed: Prof. Mark Carr, Tel. (+44) 116 229 7075; Fax (+4...
This article addresses diagnosis and prognosis of evolving fatigue crack damage in polycrystalline alloy structures. It presents a statistically inspired recursive method for in situ estimation of the remaining useful life in machinery components, based on real-time measurements. The underlying algorithm is built upon (a) symbolic dynamic filtering of (online) ultrasonic sensor data and (b) Kar...
In this study, thermal stress analysis on discs consisting of two different materials was analyzed analytically. Disc were selected SiC/6061 Al Alloy composite and Al-7075 respectively. Assuming that the elasticity module does not change with temperature, performed under constant temperature distributions in area from inner surface disc to outer surface. Thermal distribution. A computer program...
This study investigates the mechanical properties and wear behavior of Al 7075/Al2O3/SiCNP composites. The hybrid composites are manufactured using stir casting technique. In this work, 7075 alloy is reinforced with five different weight fractions Al2O3 a constant SiCNp, an average particle size 50 nm. aluminum metal matrix examined through surface morphology X-ray diffraction (XRD) patterns to...
Thermal spray coatings are widely used in many applications, and the adhesion effect at coating/substrate interface plays an important role during service life. The thermal spraying coating substrate is primarily combined by a mechanical seizure effect. In this work, strategy to generate interfacial metallurgical bonding proposed. Plasma with wire feeding was adopted increase size of sprayed pa...
In this study, the effect of toolchr('39')s advance velocity on the mechanical behavior of the Al-7075 alloy during friction stir welding was simulated. In this simulation, the Lagrangian method with rigid-Visco-plastic material was used. The results of the process temperature obtained by the simulation method were verified by the experimental welding test. Using the characteristic stress, stra...
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