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Determining casting defects in near-net shape casting aluminum parts by computed tomography

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 48-52 doi: 10.1007/s11465-018-0493-y

Abstract: casting defects and evaluate quality.-0.7Ni-0.2Zn alloy), die casting (A356, Al-7Si-0.3Mg), and semi-solid casting (A356, Al-7Si-0.3Mg), respectivelyUnlike die casting (second part), low-pressure die casting (first part) significantly reduced the formationsemi-solid casting could produce high-quality near-net shape casting aluminum parts.defects in near-net shape casting aluminum parts.

Keywords： near-net shape casting     aluminum parts     casting defects     low pressure die casting     die casting     semi-solidcasting     computed tomography    

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Semi-solid materials for controlled release drug formulation: current status and future prospects

Michelle TRAN,Chun WANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 225-232 doi: 10.1007/s11705-014-1429-7

Abstract: Semi-solid materials represent an important category of inactive ingredients (excipients) of pharmaceuticalHere we review several common semi-solid polymers currently used in the controlled release formulationsUnique features and advantages of each type of semi-solid materials are discussed and examples of theirFinally, future prospects of developing new and better semi-solid excipients are discussed with the objective

Keywords： controlled release     drug delivery     semi-solids     polymer     excipient    

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Industrialization of the Advanced Technology in Continuous Casting of Steel

Gan Yong

Strategic Study of CAE 2002, Volume 4, Issue 9,   Pages 12-18

Abstract:

The characteristics of key technology in high-effective and thin-slab continuous casting of steelsuch as soft reduction, hydraulic-driven non-sinusoidal oscillation, and electromagnetic continuous castingThe progress direction of high-efficiency and high quality of conventional continuous casting is discussed, and the development trend of near-net-shape continuous casting and electromagnetic continuous casing

Keywords： continuous casting of steel     high-effective continuous casting     thin slab continuous casting     soft reduction     electromagnetic continuous casting     industrialization    

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Utilization of waste vanadium-bearing resources in the preparation of rare-earth vanadate catalysts for semi-hydrogenation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1793-1806 doi: 10.1007/s11705-022-2191-x

Abstract: Recycling industrial solid waste not only saves resources but also eliminates environmental concernsImportantly, we found that rare-earth vanadate catalysts exhibited good activities toward the semi-hydrogenation

Keywords： petrochemical solid wastes     vanadium recovery     resource utilization     nanomaterials     semi-hydrogenation    

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Determination of selected semi-volatile organic compounds in water using automated online solid-phase

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 417-425 doi: 10.1007/s11783-011-0310-x

Abstract: A rapid, sensitive, and cost-effective analytical method was developed for the analysis of selected semi-volatileThe method used an automated online solid-phase extraction technique coupled with programmed-temperatureThe method was validated for the analysis of 30 semi-volatile analytes in drinking water, groundwatermethod can be used as an effective approach for screening and/or compliance monitoring of selected semi-volatile

Keywords： automated solid-phase extraction     programmed-temperature vaporization     large-volume injection     gas chromatography/mass spectrometry     semi-volatile organic compounds     water analysis    

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Novel casting processes for single-crystal turbine blades of superalloys

Dexin MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 3-16 doi: 10.1007/s11465-018-0475-0

Abstract:

This paper presents a brief review of the current casting techniques for single-crystal (SC) bladesA series of novel casting methods based on the Bridgman process were presented to illustrate the development

Keywords： superalloy     investment casting     Bridgman process     directional solidification     single crystal     turbine blade    

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Novel technologies for the lost foam casting process

Wenming JIANG, Zitian FAN

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 37-47 doi: 10.1007/s11465-018-0473-2

Abstract:

Lost foam casting (LFC) is a green precision casting process categorized as a near net forming technologyand low pressure, vibration solidification, and pressure solidification conditions; expendable shell castingThe expendable shell casting technology could solve the pore, carburization, and inclusion defects of

Keywords： LFC under vacuum and low pressure     vibration solidification     pressure solidification     expendable shell casting    

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Hybrid forming mechanism of patternless casting and laser cladding

Zhongde SHAN, Fuzhen SUN, Yang LIU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 393-401 doi: 10.1007/s11465-019-0550-1

Abstract: The method combines digital patternless casting and high-power laser cladding.

Keywords： patternless casting     laser cladding     hybrid forming     rapid tooling    

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Micromixing performance of the teethed high shear mixer under semi-batch operation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 546-559 doi: 10.1007/s11705-021-2069-3

Abstract: Semi-batch operated reaction processes are necessary for some competitive reaction systems to achieveparameters of the teethed high shear mixers were adjusted to study the micromixing performance in the semi-batchcarried out to disclose the evolution of the flow pattern and turbulent energy dissipation rate of the semi-batchparameters studied in this work, which can provide valuable guidance on the design and optimization of the semi-batch

Keywords： high shear mixer     semi-batch operation     micromixing performance     Villermaux/Dushman system     segregation    

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Numerical investigation of the influence of casting techniques on fiber orientation distribution in ECC

Chung Nguyen VAN; Hai TRAN THANH; Thuc Nhu NGUYEN; Jianchun LI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1424-1435 doi: 10.1007/s11709-022-0870-9

Abstract: In this study, fiber orientation distributions in ECC beams influenced by different casting techniquesare evaluated via numerical modeling of the casting process.Two casting directions and two casting positions of the funnel outlet with beam specimens are modeledThe movement of fiber particles is monitored during the casting simulation.In addition, casting positions show negligible influences on the orientation distribution of fibers in

Keywords： ECC     fiber orientation distribution     casting direction     casting position    

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An energy consumption prediction approach of die casting machines driven by product parameters

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 868-886 doi: 10.1007/s11465-021-0656-0

Abstract: Die casting machines, which are the core equipment of the machinery manufacturing industry, consume greatThe energy consumption prediction of die casting machines can support energy consumption quota, processNevertheless, due to the uncertainty and complexity of the energy consumption in die casting machinesTo fill this gap, this paper proposes an energy consumption prediction approach for die casting machinesConsequently, a systematic energy consumption prediction approach for die casting machines, involving

Keywords： die casting machine     energy consumption prediction     product parameters    

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Thermal deflection analysis of the solidified shell in continuous casting of slab

LIU Hongzhao, WANG Zhongmin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 175-179 doi: 10.1007/s11465-007-0029-3

Abstract: The thermal deformation problem in the continuous casting of a slab subjected to thermal loading becauseThis research is useful for analyzing the bulging deformation in the continuous casting of a slab under

Keywords： s reciprocal     loading     deflection expression     reciprocal     opposite    

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Ultrasonic measurement of tie-bar stress for die-casting machine

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0663-1

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Progress in Macro and Micro Modeling of Solidification Process of Shaped Casting

Liu Baicheng

Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 29-37

Abstract: Facing the market economy and global challenge, the development of manufacturing industry, especially castingHowever, there is quite a large technical gap between the casting industries at home and abroad.The views on the future trend of innovative casting technologies are consistent at home and abroad.To reform the traditional casting industry by using computer technology is one of the hottest researchComputer simulation of solidification process of shaped casting can assure the quality of casting, optimize

Keywords： shaped casting     solidification     modeling and simulation     net shape casting    

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Bending and rotational behaviour of semi-continuous composite beams

WANG Jingfeng, LI Guoqiang

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 116-122 doi: 10.1007/s11709-008-0015-9

Abstract: Stresses and deflections were measured in various semi-continuous composite beams.composite connections were measured in terms of beam curvatures and deflections by using two full-scale semi-rigidThe effect of semi-rigid connections on the performance of composite beams with various loadings wasThe tests show that the semi-continuous composite beams are more economic and effective than the simpleThe semi-rigid connections affect the bending capacities and beam deflections, so the connection behavior

Keywords： rotational     effective     deflection calculation     semi-continuous composite     full-scale semi-rigid    

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Title Author Date Type Operation

Determining casting defects in near-net shape casting aluminum parts by computed tomography

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Journal Article

Semi-solid materials for controlled release drug formulation: current status and future prospects

Michelle TRAN,Chun WANG

Journal Article

Industrialization of the Advanced Technology in Continuous Casting of Steel

Gan Yong

Journal Article

Utilization of waste vanadium-bearing resources in the preparation of rare-earth vanadate catalysts for semi-hydrogenation

Journal Article

Determination of selected semi-volatile organic compounds in water using automated online solid-phase

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Journal Article

Novel casting processes for single-crystal turbine blades of superalloys

Dexin MA

Journal Article

Novel technologies for the lost foam casting process

Wenming JIANG, Zitian FAN

Journal Article

Hybrid forming mechanism of patternless casting and laser cladding

Zhongde SHAN, Fuzhen SUN, Yang LIU

Journal Article

Micromixing performance of the teethed high shear mixer under semi-batch operation

Journal Article

Numerical investigation of the influence of casting techniques on fiber orientation distribution in ECC

Chung Nguyen VAN; Hai TRAN THANH; Thuc Nhu NGUYEN; Jianchun LI

Journal Article

An energy consumption prediction approach of die casting machines driven by product parameters

Journal Article

Thermal deflection analysis of the solidified shell in continuous casting of slab

LIU Hongzhao, WANG Zhongmin

Journal Article

Ultrasonic measurement of tie-bar stress for die-casting machine

Journal Article

Progress in Macro and Micro Modeling of Solidification Process of Shaped Casting

Liu Baicheng

Journal Article

Bending and rotational behaviour of semi-continuous composite beams

WANG Jingfeng, LI Guoqiang

Journal Article