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Article
Influence of V Content on Microstructure and Mechanical Properties of Gray Cast Iron for Super-Large Cylinder Liner
The cylinder liner is regarded as the “ventricle” of the heart of the engine, and its performance plays a decisive role in the overall performance of the engine. V was added to improve the mechanical propertie...
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Article
Effect of mold and core preheating temperature on corrosion resistance of casting Al-12Si alloy U-shaped cooling channel
Temperature has an important impact on the corrosion resistance of mold with cooling channels prepared by casting method. The effect of preheating temperature of the mold and the carbon fiber core on the rough...
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Article
Effect of secondary aging on microstructure and properties of cast Al-Cu-Mg alloy
To obtain better comprehensive properties of cast Al-Cu-Mg alloys, the secondary aging (T6I6) process (including initial aging, interrupted aging and re-aging stages) was optimized by an orthogonal method. The...
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Article
Effect of TiO2 nano-ceramic particles on microstructure and mechanical properties of Al0.4CoCrFe2Ni2 high-entropy alloy
Al0.4CoCrFe2Ni2 high-entropy alloys with different additions of TiO2 nano-ceramic particles (0, 1.25vol.%, 2.5vol.%, 3.75vol.% and 5vol.%, respectively) were prepared by using the vacuum arc melting method. The e...
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Article
Effect of V and Sn on microstructure and mechanical properties of gray cast iron
The cylinder liner is one of the important parts of a diesel engine. Gray cast iron is the main material for manufacturing cylinder liners due to its good casting performance, convenient processing performance...
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Article
Glass formation in Fe-Cr-Zr-B-Mo alloys by tuning Nb addition
Fe-based bulk metallic glasses (BMGs) with high boron content have potential application as a coating material used in the framework for storing spent nuclear fuels to support their safe long-term disposal. Th...
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Article
Effect of melt cooling rate on glass transition kinetics and structural relaxation of Vit1 metallic glass
The thin ribbons and the bulk cylindrical rods with diameters of 2 mm and 10 mm of the Vit1 metallic glass (MG) were prepared by the single roller melt spinning method and the copper mold injection casting met...
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Article
Refinement and fracture mechanisms of as-cast QT700-6 alloy by alloying method
The as-cast QT700-6 alloy was synthesized with addition of a certain amount of copper, nickel, niobium and stannum elements by alloying method in a medium frequency induction furnace, aiming at improving its s...
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Article
Preparation of U-shaped curved holes by a casting method
A technique to prepare U-shaped curved holes by a direct casting method was introduced, and U-shaped curved holes (with a diameter of 2 mm) with an aspect ratio of 35 were successfully prepared. A formula was ...
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Article
Study on a new retrogression and re-aging treatment of spray formed Al-Zn-Mg-Cu alloy
Conventional retrogression and re-aging (RRA) treatment could not be put to good use for combination property of Al-Zn-Mg-Cu alloys. The new RRA treatment fitted for spray formed Al-Zn-Mg-Cu alloy was investig...
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Article
Influence of Cr element on impact fracture process of ductile Ni-resistant alloyed iron at low temperature
In this study, in order to investigate the influence of Cr element on the impact fracture process of ductile Ni-resistant alloyed iron at low temperature, different contents of Cr element were added to ductile...
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Article
Effect of Pre-aging on Stress Corrosion Cracking of Spray-formed 7075 Alloy in Retrogression and Re-aging
The effects of pre-aging in retrogression and re-aging (RRA) treatment on microstructure, mechanical properties, and stress corrosion cracking (SCC) behavior of spray-formed 7075 aluminum alloy were investiga...
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Article
Low Temperature Impact Toughness and Fracture Analysis of EN-GJS-400-18-LT Ductile Iron under Instrumented Impact Load
The impact toughness of EN-GJS-400-18-LT ductile iron was measured by Charpy V-notch impact test at temperature between — 80 and 20 °C. The fracture properties were tested under instrumented impact loading. Total...
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Article
Effect of Aging Treatments on the Mechanical and Corrosive Behaviors of Spray-Formed 7075 Alloy
Mechanical properties, microstructure, exfoliation corrosion (EXCO), and intergranular corrosion (IGC) behaviors of the spray-formed 7075 aluminum alloy after T6, T73, retrogression (R), and re-aging (RRA) tre...
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Article
Analysis of principle deviation of subpixel Zernike moments operator
In original Zernike moments subpixel edge operator, ideal step edge model is chosen for calculating four parameters of a pixel point, and therefore principle deviation is caused by edge model. In order to disc...