用混合设计法优化再生型砂组成

IF 1.3 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

International Journal of Cast Metals Research Pub Date : 2021-03-04 DOI:10.1080/13640461.2021.1936381

M. Kul, B. Akgul, K. O. Oskay, A. E. Alsan, B. Karaca

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引用次数: 2

摘要

摘要在铸铁行业中，型砂质量和将用过的型砂最有效地回收到系统中至关重要。为此，本研究确定了影响型砂生坯强度、透气性和抗剪强度的因素（湿度、活性膨润土和煤尘）的最佳值。采用配合比设计方法，确定了最佳配合比，使型砂的生坯强度、透气性和抗剪强度达到最佳。通过研究，确定了最佳的型砂组成；水分含量百分比、煤尘百分比、活性膨润土百分比和再生砂百分比分别为3.92%、0.05%、0.30%和95.73%。测定了以该最佳组成制备的传统铸造砂的生坯抗压强度（B1）23.5N/cm2、剪切强度（B2）7.7N/cm2和透气性（B3）91mmWS。

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Optimisation of recycled moulding sand composition using the mixture design method

ABSTRACT In the cast iron industry, mould sand quality and the most efficient recovery of used sand into the system are critical. For this purpose, the optimum values of the factors (humidity, active bentonite and coal dust) affecting the green strength, gas permeability and shear strength of the mould sand were determined in this study. The optimum mixture ratio, which makes the green strength, gas permeability and shear strength of the mould sand the best, was made by using the mixture design method. As a result of the studies, optimum casting sand composition; the percentage of moisture content, the percentage of coal dust, the percentage of active bentonite and the percentage of recycle sand were determined as 3.92%, 0.05%, 0.30% and 95.73%, respectively. The green compression strength(B1) 23.5 N/cm2, shear strength(B2) 7.7 N/cm2 and gas permeability (B3) 91 mmWS of the conventional cast sand prepared in this optimum composition were measured.

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来源期刊

International Journal of Cast Metals Research 工程技术-冶金工程

CiteScore

2.70

自引率

7.10%

发文量

审稿时长

7.5 months

期刊介绍： The International Journal of Cast Metals Research is devoted to the dissemination of peer reviewed information on the science and engineering of cast metals, solidification and casting processes. Assured production of high integrity castings requires an integrated approach that optimises casting, mould and gating design; mould materials and binders; alloy composition and microstructure; metal melting, modification and handling; dimensional control; and finishing and post-treatment of the casting. The Journal reports advances in both the fundamental science and materials and production engineering contributing to the successful manufacture of fit for purpose castings.