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Article
A multi-objective optimization based on machine learning for dimension precision of wax pattern in turbine blade manufacturing
Wax pattern fabrication in the investment casting of hollow turbine blades directly determines the dimension accuracy of subsequent casting, and therefore significantly affects the quality of final product. In...
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Article
Application of heat absorption method to reduce macrosegregation during solidification of bearing steel ingot
The control of macrosegregation is still a difficult problem for the production of large steel ingots. In order to develop new techniques for producing low-macrosegregation and high-quality steel ingots, the e...
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Article
Evolution mechanism of recrystallization in a nickel-based single crystal superalloy under various cooling rates during heat treatment
The recrystallization behaviors of a nickel-based single crystal superalloy during heat treatment at 1,200 °C for 4 h with various cooling rates were studied. Results show that the thickness of recrystallizati...
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Article
Reduction in Microsegregation in Al–Cu Alloy by Alternating Magnetic Field
The microsegregation behavior of the Al-4.5 wt%Cu alloy solidified at different cooling rates under the alternating magnetic field (AMF) was investigated. The experimental results showed that the amount of non...
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Article
Grain Refinement During Directionally Solidifying GCr18Mo Steel at Low Pulling Speeds Under an Axial Static Magnetic Field
The present work investigates how axial static magnetic field affects the solidification structure and the solute distribution in directionally solidified GCr18Mo steel. Experimental results show that grain re...
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Article
A new furostanol saponin from Asparagus cochinchinensis
A new furostanol saponin, (25S)-26-O-β-d-glucopyranosyl-5β-furost-20(22)-en-3β, 15β,26-triol-3-O-[α-l-rhamnopyranosyl-(1–4)]-β-d-glucopyranoside, namely, aspacochioside D (1) were isolated from Asparagus cochinch...
