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Application of Non-Silica Sands for High Quality Castings [PDF]
Archives of Metallurgy and Materials, 2020 The goal of this article is to application of non-silica sands based on alumininosilicates as an alternative of traditionally used chromite sand for alloyed steel and iron castings.
J. Beňo, M. Poręba, T. Bajer
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Influence of Additives on Thermal Expansion of Silica in Sand Casting Applications [PDF]
Archives of Foundry EngineeringSilica sand is extensively used as a moulding sand for both mould and core making in the cast iron and steel casting industries. The pouring temperatures of cast iron and steel create a nonlinear distribution of temperatures across mould/core.
V N Sai Deepak Kolli +3 more
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Preparation of nano-silica powder from silica sand via sol-precipitation method [PDF]
, 2019 t. Silica in the nanoscale has interesting properties compared to its bulk counterpart that leads to a different range of applications. This is due to its low toxicity, high physical and chemical stability, large surface area to volume ratio and direct
Afiq Haikal Ahmad Jamal +9 more
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Frontiers in Public Health, 2023 IntroductionTo investigate the major existing occupational hazards and to assess the occupational health risks for ferrous metal foundries (FMFs) in Ningbo, China.MethodsUnified questionnaires were formulated to investigate the information on the basic ...
Donghui Duan +5 more
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Mechanochemistry Meets Catalysis: Metal Complexes for Greener Organic Transformations
Angewandte Chemie, EarlyView.Mechanochemistry is redefining metal catalysis by controlling catalyst formulation, speciation, and deployment. This Review shows how milling, LAG, RAM, and TSE enable rapid metal‐complex assembly, distinctive catalytic manifolds, and scalable synthesis beyond solution chemistry.
Sourav Behera +2 more
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AgronomyGlobal climate change and persistent droughts lead to soil desertification, posing significant challenges to food security. Desertified lands, characterized by high permeability, struggle to retain water, thereby hindering ecological restoration. Sand, a
Xiaoyan Ma +4 more
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Extraction of Silica from Bengkulu Beach Sand using Alkali Fusion Method
Pendipa, 2020 Silica is one of the potential minerals to be developed and applied in various industrial fields. High purity of silica can be obtained by utilizing natural materials such as beach sand.
Soraya Nur Ishmah +3 more
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Maximum shear modulus of calcareous sand in Dejebel Dahar, Tunisia and its dependency on applied stress [PDF]
E3S Web of Conferences, 2019 The present experimental investigation aims at investigating the small strain stiffness of calcareous sand as a function of applied stress. The calcareous sand was sampled at Tunisia's Dejebel Dahar region, and the shear wave velocity (Vs) of calcareous ...
Choo Hyunwook +3 more
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Silica concrete compressive behavior under alternating magnetic field
Magazine of Civil Engineering, 2021 Due to the importance of inventing new techniques capable of enhancing concrete structural properties while reducing environmental issues associated with CO2 emissions in concrete industry, which preoccupies environmental scientists, a novel ...
Alireza Safari Tarbozagh +2 more
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Jurnal Kimia Sains dan Aplikasi, 2020 Nanomaterials have broad and unique applications in various fields. In this research, synthesis of Iron Sand Magnetic Hybrid nanomaterials coated with propyldiethylenetriammine modified silica (PB@SiO2@TA) originating from the coast of Muara Kencan ...
Ricka Prasdiantika +2 more
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