Tag Archives: Microstructure

Fig. 3 Photographs of specimens at ambient temperature. (a) KCl–30 mol%NaCl. (b) K2CO3–50 mol% Na2CO3.

Strength of Salt Core Composed of Alkali Carbonate and Alkali Chloride Mixtures Made by Casting Technique

Jun Yaokawa, Daisuke Miura, Koichi Anzai, Youji Yamada, Hiroshi Yoshii Abstract The strength of four binary systems NaCl–Na2CO3, KCl–K2CO3, KCl–NaCl and K2CO3–Na2CO3 was investigated in order to develop expendable salt core for high pressure die casting processes. Four point bending test was conducted to determine the strength of specimens made from molten salts by using the permanent mold casting technique.

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Properties Optimization and Strengthening Mechanism of KNO3–KCl Water-Soluble Composite Salt Core for Hollow Zinc Alloy Die Castings

Properties Optimization and Strengthening Mechanism of KNO3–KCl Water-Soluble Composite Salt Core for Hollow Zinc Alloy Die Castings

Xiaolong Gong,  Fuchu Liu,  Xinwang Liu,  Wenming Jiang &  Zitian Fan  International Journal of Metalcasting (2022)Cite this article Abstract A composite inorganic salt core with good water solubility and formability was proposed using potassium nitrate (KNO3) and potassium chloride (KCl) as base materials. The KNO3–KCl molar ratio has been optimized for the KNO3–KCl composite salt core, and

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Figure 5. Solidification direction - represented by cut-off view at solid fraction = 0.7.

Modelling of an industrial die casting process for the production of aluminum automotive parts

J Ou1, C Wei1,2, D Maijer1, S Cockcroft1, L A2, Y Zhang2, Z Chen2 and Z Zhu2 Published under licence by IOP Publishing LtdIOP Conference Series: Materials Science and Engineering, Volume 861, MCWASP XV: International Conference on Modelling of Casting, Welding and Advanced Solidification Processes 22-23 June 2020, Jönköping, SwedenCitation J Ou et al 2020 IOP Conf. Ser.: Mater. Sci. Eng. 861 012030 Abstract Die (permanent) casting is one of the

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Composition Optimization and Strengthening Mechanism of High-Strength Composite Water-Soluble Salt Core for Foundry

Composition Optimization and Strengthening Mechanism of High-Strength Composite Water-Soluble Salt Core for Foundry

Xuan-yu Liu,  Wei-hua Liu,  Xue-ting Wang,  Lai Song,  Fang-hai Xin &  Ying-min Li  International Journal of Metalcasting (2021)Cite this article 38 Accesses Metrics Abstract This paper aims to improve difficult cleaning and high core requirements in castings with complex internal cavities. The mixed salt was composed of NaCl, Na2SO4, BaCl2, and ceramic reinforced powder Al2O3 was added as core

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Fig. 10. Photograph of (a) the composite salt core and (b) hollow-structure zinc alloy castings by this composite salt core: b1-without and b2 with water soluble removing.

Comparative study on performance and microstructure of composite
water-soluble salt core material for manufacturing hollow zinc
alloy castings

FuchuLiuabSuoTubXiaolongGongbGuanjinLibWenmingJiangbXinwangLiubZitianFanbaSchool of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan, 430074, ChinabState Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan, 430074, China Highlights A high-strength water-soluble composite KNO3-20 mol% KCl salt core material was successfully fabricated. Bauxite and glass-fiber powder were added and acted as

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Figure 1. SEM morphologies of the glass fibers: (a) sample 1 (size = 74 lm), (b) sample 2 (size = 25 lm) and (c) sample 3 (size = 12.5 lm)

Effects of glass fiber size and content on microstructures and properties of KNO3-based water-soluble salt core for high pressure die casting

Xiaolong Gong,  Wenming Jiang,  Fuchu Liu,  Zhiyuan Yang,  Feng Guan &  Zitian Fan  International Journal of Metalcasting volume 15, pages520–529 (2021)Cite this article 187 Accesses 2 Citations Metrics Abstract The water-soluble salt core with higher bending strength and toughness is necessary to withstand the high pressure needed to manufacture some complex parts by high pressure die casting (HPDC). In this paper,

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Figure 1. Schematics explaining the vehicle Life Cycle Assessment that encompasses all phases of the product cycle, from raw material extraction to end-of-life recycling and disposal.

Current Trends in Automotive Lightweighting Strategies and Materials

settingsOpen AccessReview Current Trends in Automotive Lightweighting Strategies and Materials by Frank CzerwinskiCanmetMATERIALS, Natural Resources Canada, Hamilton, ON L8P 0A5, CanadaAcademic Editor: Carola Esposito CorcioneMaterials2021, 14(21), 6631; https://doi.org/10.3390/ma14216631Received: 17 September 2021 / Revised: 26 October 2021 / Accepted: 29 October 2021 / Published: 3 November 2021(This article belongs to the Special Issue Lightweight Structural Materials for Automotive and Aerospace) Abstract The automotive lightweighting trends, being

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Fig2 Rotor core assembly(A) and squirrel cage(B)

Process Control and Thixoforming of Cu Rotor for High Efficiency Motors

고효율 전동기용 Cu Rotor의 반응고 성형과 공정변수 제어 Jung, W. S. ; Lee, S. Y. ; Shin, P. W. 정우성 (창원대학교 재료공학과) ; 이상용 (안동대학교 신소재공학부) ; 신평우 (창원대학교 재료공학과) Abstract Rotor in small-medium induction motor has been usually manufactured by aluminum diecasting. In order to improve the efficiency of induction motors, newly developed Cu-Ca alloys have been investigated. The

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Fig. 1. Squeeze casting device.

Effect of Applying Pressure of High Pressure Diecasting Process Using Salt core

용탕단조 시 저온염코어 적용 가압력의 영향 Lee, Jun-Ho (R & D Division for Hyundai Motor Co. & Kia Motors Corp.) ; Moon, J.H. (R & D Center, Dong Yang Piston Co., LTD.) ; Lee, Dock-Young (Division of Materials, Korea Institute of Science and Technology) 이준호 (현대자동차 기술연구소) ; 문중화 (동양피스톤(주)) ; 이덕영 (한국과학기술연구원 기능금속재료연구센터) Abstract A new concept of salt core,

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Figure 16. Cross-sectional view of a cast part with a salt core.

Effects of Composition on the Physical Properties of Water-Soluble Salt Cores

수용성 염핵의 물리적 특성에 대한 조성의 영향 Cihan Cantas &  Bedri Baksan  International Journal of Metalcasting volume 15, pages839–851 (2021)Cite this article 175 Accesses 1 Citations Metrics Abstract The demand for producing essential cast parts and the design requirements for superior engineering performance have increased in recent years. Sand cores used in conventional aluminum cast parts are harmful to the environment,

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