Category Archives: Technical Data-E

Thermal hot spot prediction in high pressure die casting by determination of Chvorinovs rule shape constant

Thermal hot spot prediction in high pressure die casting by determination of Chvorinovs rule shape constant

Suraj Marathea Carmo QuadrosbaDepartment of Mechanical, Don Bosco College of Engineering, Fathorda, Madgoa Goa 403602, IndiabDepartment of Mechanical, Assam Don Bosco University, Tapesia Gardens, Kamarkuchi Sonapu, Assam 782402, India Available online 11 April 2021. Abstract This paper identifies the approximate height of thermal hot spots in casting components manufactured by high pressure die casting. Certain assumptions

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Figure 15. R-HPDC automobile shock absorber part.

R-HPDC Process with Forced Convection Mixing Device for Automotive Part of A380 Aluminum Alloy

by Bing Zhou,Yonglin Kang *,Mingfan Qi,Huanhuan Zhang andGuoming ZhuSchool of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China*Author to whom correspondence should be addressed.Materials2014, 7(4), 3084-3105; https://doi.org/10.3390/ma7043084Received: 24 March 2014 / Revised: 4 April 2014 / Accepted: 4 April 2014 / Published: 15 April 2014(This article belongs to the Special Issue Light Alloys and Their Applications)

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서른살 된 장영실賞 장수기업 보증수표

서른살 된 장영실賞…장수기업 보증수표 – IR 52 ( Jang Young-shil Award )

30-year-old Jang Young-sil Award Longevity Enterprise Guarantee Check 수상 기업 생존력 타기업의 2배10곳중 6곳 20년이상 기업유지 이새봄, 이종화, 한재범 기자 입력 : 2021.06.21 17:51:47   수정 : 2021.06.21 22:50:50 서른살 된 장영실賞…장수기업 보증수표 – 매일경제 (mk.co.kr) ◆ 장영실상 30주년 ① ◆ 한국 중소기업들 평균 업력은 11.2년이다. 총 140만개에 달하는 한국 중소기업 중 기업활동을 20년 이상 이어나가는 곳은

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Fig. 1. a) Pin holes observed in the top side casting; b) Blow holes observed in tapped holes; c) Porosity is observed in top side of the casting.

Numerical and experimental approach to eliminate defects in al alloy pump- crank case processed through gravity die casting route

S.AravindP.RagupathiG.VigneshDepartment of Mechanical Engineering, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu 641 021, India Received 30 June 2020, Accepted 14 July 2020, Available online 14 August 2020. Abstract A numerical investigation was carried out with the help of computer based casting simulation software to eliminate defects such as shrinkage due to solidification, cracks, imperfect

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Figure 3: Experimentation setup: vertical die casting machine of the capacity of 100 Tons (Industrial caseCGL)

Analysis and Optimisation of High Pressure Die Casting Parameters to Achieve Six Sigma Quality Product Using Numerical Simulation Approach

Suraj R. Marathe Assam Don Bosco University, Carmo E. Quadros Assam Don Bosco UniversityDate Written: February 13, 2021 Abstract A numerical simulation approach is proposed to predict the optimal parameter setting during high pressure die casting. The contribution from the optimal parameters, the temperature, showed more influence on the casting quality than the other parameters.

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Spatial point pattern methodology for the study of pores 3D patterning in two casting aluminium alloys

Spatial point pattern methodology for the study of pores 3D patterning in two casting aluminium alloys

DrissEl KhoukhiabcNicolasSaintierbFranckMorelaDanielBellettaPierreOsmondcViet-DucLeaaLAMPA, Arts et Métiers Institute of Technology, Angers, 49 035 Cedex, FrancebI2M, Arts et Métiers Institute of Technology, Talence, 33170 Cedex, FrancecGroupe PSA, Carrières-sous-Poissy, 78955 Cedex, France Received 18 November 2020, Revised 16 March 2021, Accepted 2 May 2021, Available online 4 May 2021. Highlights Point Process Theory is an efficient way to characterize

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Figure 1. Sketches of selected specimens for microstructure observation.

Crack Initiation Mechanism in Casting AC4B Aluminum Alloy Parts with Complex Structure

by Daliang Yu 1,Wen Yang 2,Wanqing Deng 2,Songzhu Zhu 2,Qingwei Dai 1,3,* andDingfei Zhang 31School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China2Chongqing Zhicheng Machinery Co., LTD, Chongqing 400039, China3College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China*Author to whom correspondence should be addressed.Metals2021, 11(1), 97; https://doi.org/10.3390/met11010097Received: 27 November 2020 / Revised: 25 December 2020 / Accepted:

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Fig. 1 Schematic diagram of a typical stir casting apparatus for the production of MMCs. Reproduced from Kok, M., 2005. Production and mechanical properties of Al2O3 particle-reinforced 2024 aluminium alloy composites. Journal of Materials Processing Technology 161, 381–387.

Casting Routes for Production of Metallic Based Composite Parts

R Palanivel, Shaqra University, Riyadh, Saudi ArabiaI Dinaharan, Tsinghua University, Beijing, ChinaRF Laubscher, University of Johannesburg, Johannesburg, South Africa 금속 기반 복합 부품 생산을 위한 주조 경로 Introduction A composite material is a material system consisting of a mixture or combination of two or more nano-micro- or macro-based elements with a separating interface where the

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Casting defects and microstructure distribution characteristics of aluminum alloy cylinder head-gr1

Casting defects and microstructure distribution characteristics of aluminum alloy cylinder head with complex structure

YuanLia, JinxiangLiua, QiangZhangb, WeiqingHuangaa School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, Chinab Liaoshen Industries Group Co. Ltd, Shenyang 110045, China Abstract Due to the complex structure of the large cylinder head, it is prone to produce uncontrolled casting defects and uneven microstructure distribution. In order to predict the porosity defects and secondary dendrite arm

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Fig. 2. Schematic of the sampling position of the connecting rod (A = microstructure observation and hardness test samples; B = tensile test sample).

Mechanical properties and microstructures of a modified Al–Si–Cu alloy prepared by thixoforming process for automotive connecting rods

SazianaSamat, Mohd Zaidi, OmarAmir Hossein Baghdadi, Intan Fadhlina Mohamed, Ahmad Muhammad AzizDepartment of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Malaysia Abstract The thixoforming process with feedstock preparation yields a fine microstructure and enhanced mechanical properties relative to other traditional casting processes. However, the thixoforming process

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