Application of Ultrasonic Vibration on Preferential Removal of Al-Fe-Si Intermetallic Compound Phases from 1100 Aluminum Wrought Alloy
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چکیده
منابع مشابه
Tribological Behaviour of Fe-Al Intermetallic Compound Coated Carbon Tool Steel
The use of Fe-Al intermetallic compound coatings has been investigated in order to improve the tribological behaviour of carbon tool steel. The coatings were formed by a pack cementation process and subsequently diffusion annealing at 900˚C in an argon controlled atmosphere. The optimum diffusion time was selected on the basis of optimum thickness and tribological behaviour. The microstructure...
متن کاملTribological Behaviour of Fe-Al Intermetallic Compound Coated Carbon Tool Steel
The use of Fe-Al intermetallic compound coatings has been investigated in order to improve the tribological behaviour of carbon tool steel. The coatings were formed by a pack cementation process and subsequently diffusion annealing at 900˚C in an argon controlled atmosphere. The optimum diffusion time was selected on the basis of optimum thickness and tribological behaviour.
The microstructu...
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The traditional ultrasonic apparatus cannot be operated at high temperature, explaining why the effect of ultrasonic-vibration on high temperature metal forming has seldom been addressed in literature. This study establishes an ultrasonic-vibration hot upsetting system. A cooling mechanism is used to solve the problem of high temperature. The effects of temperature and strain rate during ultras...
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In the present research, thixoforming route was carried out in order to enhance the microstructural features of LM28 piston alloy. Typical microstructure of this alloy was composed of coarse, polygonal primary silicon particles, eutectic matrix and intermetallic phases. Thermal analysis was carried out to study the solidification path of the base alloy and determine the major arrest temperature...
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Carlet. J. Clement. H. Demarne, M. Mellet. J.-P. Richaud, D. Segondy. M. Vedel, J:P. Gagnol. R. Roncucci, B. Castro. P. Corvol. G. Evin. B. P. Roques, ibid. 1986, 29, 1152-1159: d) H . Mazdiyasni. D. B. Konopacki, D. A. Dickman, T. M. Zydowsky, Tetruhedron Lett. 1993, 34, 435-438. [4] a) M . Frankel. P. Moses. Tetrahedron 1960.9.289-294: h) W. F. Gilmore, H.-J. Lin. J. Org. Chem. 1978, 43. 4535...
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ژورنال
عنوان ژورنال: Journal of the Japan Institute of Metals
سال: 2004
ISSN: 0021-4876
DOI: 10.2320/jinstmet.68.605