Investigation of dissolved salts on heat transfer for aluminum alloy 2024 during spray quenching
نویسندگان
چکیده
منابع مشابه
EFFECT OF CONTROLLED QUENCHING ON THE AGING OF 2024 ALUMINUM ALLOY CONTAINING BORON
The presence of alloying elements, sometimes in a very small amount, affects mechanical properties one of these elements is Boron. In Aluminum industries, Boron master alloy is widely used as a grain refiner In this research, the production process of Aluminum –Boron master alloy was studied at first then, it was concurrently added to 2024 Aluminum alloy. After rolling and homogenizing the resu...
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2024 Aluminum alloy was squeezed cast by the Gas Induced Semi Solid (GISS) process. Effect of artificial aging on microstructure and mechanical properties of this alloy was studied in the present work. The solutionized specimens were aged hardened at temperatures of 175°C, 200°C, and 225°C under various time durations. The highest hardness of about 77.7 HRE was attained from specimen aged at th...
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In this study, the effects of heat treatment of aluminum alloy on the tube bending process were investigated in the rotary draw bending process. As two experimental and numerical simulation methods were used to determine the wall-thinning, ovality, and spring back for extruded, annealed, and aged AA6063 aluminum alloy tubes in different bending angles and bend radii. Numerical simulations were ...
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The initial stage of fretting fatigue crack growth is significantly influenced by tangential force induced by fretting action along the contact surface where a mixed-mode crack growth is involved. Fretting crack behavior of aluminum alloy 2024 was studied, taking into account the problem of contact asperities. Finite element was used for the determination of the stress field near the contact su...
متن کاملPrediction of the Temperature- Time Cooling Curves for Three-Dimensional Aluminum Products during Spray Quenching
Abstrac t . This study aims at developing a universal approach to predicting the tempera turet ime characteristics for three-dimensional aluminum parts during quenching with water sprays. The validity of correlations recently developed by one of the authors, which relate the local heat transfer rate to the spray hydrodynamic parameters, is examined for nonuniform sprays. A mathematical relation...
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ژورنال
عنوان ژورنال: Applied Thermal Engineering
سال: 2016
ISSN: 1359-4311
DOI: 10.1016/j.applthermaleng.2016.07.072