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Construction of Long Distance Oil and Gas Transmitting Pipeline——Setting of Welding Procedure and Makinga Choice of Welding Equipment

Guo Haiyun,Li Huan,Li Guohua,Hu Lianhai

Strategic Study of CAE 2001, Volume 3, Issue 12,   Pages 76-79

Abstract: Setting of welding procedure and making choice of welding equipment involve a lot of techniques.

Keywords： construction of oil and gas pipeline     welding procedure     welding equipment     choice    

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ARC welding method for bonding steel with aluminum

Zhenyang LU, Pengfei HUANG, Wenning GAO, Yan LI, Hanpeng ZHANG, Shuyan YIN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 134-146 doi: 10.1007/s11465-009-0033-x

Abstract: When welding steel with aluminum, the appearance of intermetallic compounds of Fe and Al will decreaseA new type of low energy input (LEI) welding technology is introduced which can be used to weld steelUsing the technology, brazing was located on the steel side and arc fusion welding on the aluminum side

Keywords： joining of steel and aluminum     low energy input welding     arc welding     fusion welding – brazing    

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Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractive

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 34-45 doi: 10.1007/s11705-022-2234-3

Abstract: In the traditional extractive distillation process, organic solvents are often used as entrainers. However, environmental influence and high energy-consumption are significant problems in industrial application. In this study, a systematic screening strategy and innovative energy-saving design for ionic liquid-based extractive distillation process was proposed. The innovative energy-saving design focused on the binary minimum azeotrope mixtures isopropanol and water. Miscibility, environmental impact and physical properties (e.g., melting point and viscosity) of 30 ionic liquids were investigated. 1-Ethyl-3-methyl-imidazolium dicyanamide and 1-butyl-3-methyl-imidazolium dicyanamide were selected as candidate entrainers. Feasibility analysis of these two ionic liquids was further performed via residue curve maps, isovolatility line and temperature profiles. An innovative ionic liquid-based extractive distillation process combining distillation column and stripping column was designed and optimized with the objective function of minimizing the total annualized cost. The results demonstrate that the total annualized cost was reduced by 19.9% with 1-ethyl-3-methyl-imidazolium dicyanamide as the entrainer and by 24.3% with 1-butyl-3-methyl-imidazolium dicyanamide, compared with that of dimethyl sulfoxide. The method proposed in this study is conducive to the green and sustainable development of extractive distillation process.

Keywords： ionic liquid     entrainer screening     feasibility analysis     extractive distillation    

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Study of mechanism of activating flux increasing weld penetration of AC A-TIG welding for aluminum alloy

HUANG Yong, FAN Ding, FAN Qinghua

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 442-447 doi: 10.1007/s11465-007-0076-9

Abstract: is over two times more than that of conventional TIG welding.Using A-TIG welding with the modes of alternating current (AC), direct current electrode negative (DCENAfter studied the effect of compelled arc con striction on weld penetration of AC welding, it is believedwere confirmed by TIG welding with helium shielding gas.During welding, the separate distribution of slag on the weld pool results in the great constriction

Keywords： A-TIG welding     surface     DCEN     electrode negative     increase    

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Online Monitoring of Welding Status Based on a DBN Model During Laser Welding Article

Yanxi Zhang, Deyong You, Xiangdong Gao, Seiji Katayama

Engineering 2019, Volume 5, Issue 4,   Pages 671-678 doi: 10.1016/j.eng.2019.01.016

Abstract: ), a spectrometer, and a photodiode are employed to capture insights into the high-power disc laser weldingBased on these real-time quantized features of the welding process, a deep belief network (DBN) is establishedto monitor the welding status.The established DBN model shows higher accuracy and robustness in monitoring welding status in comparisongeneralization ability of the proposed DBN are validated by three additional experiments with different welding

Keywords： Online monitoring     Multiple sensors     Wavelet packet decomposition     Deep belief network    

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Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 81-92 doi: 10.1007/s11465-012-0309-4

Abstract:

This paper focuses on the two-robot welding coordination of complex curve seam which means one robotMoreover, downhand welding is employed which can guarantee the torch and the seam keep in good contactcondition all the time during the welding.a Solidworks-SimMechanics simulation platform is established, and a simulation of curved steel pipe weldingThe results of the simulation illustrate the welding process can meet the requirements of downhand welding

Keywords： complex curve seam     two robots     coordinated welding     motion planning    

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Review on electromagnetic welding of dissimilar materials

K. SHANTHALA,T. N. SREENIVASA

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 363-373 doi: 10.1007/s11465-016-0375-0

Abstract:

Electromagnetic welding (EMW) is a high-speed joining technique that is used to join similar or dissimilarIn this paper, the research and progress in electromagnetic welding are reviewed from various perspectives

Keywords： electromagnetic     welding     impact     dissimilar materials    

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Structure and performance of welding joint of Q235 steel welded by SHS welding

Junzhi HU, Sumei WANG, Xiaoli ZHAO, Shilin ZHU, Botao YU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 189-193 doi: 10.1007/s11465-010-0003-3

Abstract: A self-propagating high-temperature synthesis (SHS) welding-pen that can weld steel workpiece from 6The structure and properties of the welding joint are studied.The result indicates that this type of welding is melting and the fusion zone is clear.The tensile-strength of the welding joint is 283 MPa, flexural strength is 628 MPa, impactThe mircohardness of the fusion zone and the welding line are higher than that of the matrix.

Keywords： self-propagating high-temperature synthesis (SHS) welding     welding line     structure and performance     melting    

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Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0703-5

Abstract: In fiber laser beam welding (LBW), the selection of optimal processing parameters is challenging andplays a key role in improving the bead geometry and welding quality.metamodels (EMs) with the multi-objective artificial bee colony algorithm (MOABC) to identify the optimal weldingEM constructs the correlation between processing parameters (laser power, welding speed, and distance

Keywords： laser beam welding     parameter optimization     metamodel     multi-objective    

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Factor Analysis of Lightweight Material Welding Workshop Intelligentization

Zhou Anliang and Wang Decheng

Strategic Study of CAE 2017, Volume 19, Issue 5,   Pages 103-108 doi: 10.15302/J-SSCAE-2017.05.018

Abstract: strategic research on the following three dimensions: final purpose and demand of lightweight material weldingprocess digitization, eight basic factors that lightweight welding workshop intelligentization shouldsatisfy are obtained, including welding control management real-time transformation, quality controlwhile welding closed loop transformation, welding analysis datamation, welding technology analysis intelligentizationwelding production management digitization, and welding foundation database paperless transformation.

Keywords： welding technology     welding workshop     intelligentization     lightweight material     strategic research    

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Effects of combined procedure and devascularization alone on hyperdynamics of the portal venous system

HUA Rong, SUN Yongwei, WU Zhiyong

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 244-247 doi: 10.1007/s11684-008-0046-6

Abstract: PCDV) alone and conventional splenorenal shunt combined with pericardial devascularization (combined proceduredecreased by both surgical procedures, but the effect of decreasing FPP was much better in the combined procedureIt is suggested that the combined surgical procedure could integrate the advantages of shunting with
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Research on overlaying welding rod of high hardness maraging steel

PAN Yong-ming, CHEN Shao-wei

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 465-467 doi: 10.1007/s11465-006-0060-9

Abstract: The development of new maraging steel overlaying welding rod, which contains Co, Mo, W and V alloy, solved

Keywords： development     productive efficiency     national     homogeneity     mechanical    

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A dynamic procedure based on the scale-similarity hypotheses for large-eddy simulation

ZHOU Bing, CUI Guixiang, CHEN Naixiang

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 468-472 doi: 10.1007/s11708-007-0069-z

Abstract: Current dynamic procedures in large-eddy simulation treat the two subgrid-scale stresses in the Germano identity with the same subgrid base model. Thus to get the base model coefficient, the coefficient must be assumed to be consta

Keywords： large-eddy simulation     Germano identity     coefficient     subgrid-scale    

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Working Procedure of Developing a New Deep Hard-rock Burst-prone Deposit

Guo Ran,Yu Runcang

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 51-55

Abstract: In this paper, the authors create a general working procedure to develop a new hard-rock burst-proneThe general procedure is divided into 6 steps： initial determination of burst tendency; study of the

Keywords： rockburst     mining technique     working procedure    

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Non-electric welding and its application on equipment under emergency conditions

HU Junzhi, HU Chunhua, MA Shining, XIN Wentong

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 239-242 doi: 10.1007/s11465-007-0042-6

Abstract: This paper introduces the working principle, characteristics, development, welding techniques, and applicationsof non-electric welding.We analyzed the microstructure of the welding bead and the tensile strength of the non-electric weldedThe results indicate that the welding technique is simple, the performance of the welding line is excellentTherefore, non-electric welding shows favorable application value and potential prospect.

Keywords： development     strength     technique     application     favorable application    

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Title Author Date Type Operation

Construction of Long Distance Oil and Gas Transmitting Pipeline——Setting of Welding Procedure and Makinga Choice of Welding Equipment

Guo Haiyun,Li Huan,Li Guohua,Hu Lianhai

Journal Article

ARC welding method for bonding steel with aluminum

Zhenyang LU, Pengfei HUANG, Wenning GAO, Yan LI, Hanpeng ZHANG, Shuyan YIN

Journal Article

Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractive

Journal Article

Study of mechanism of activating flux increasing weld penetration of AC A-TIG welding for aluminum alloy

HUANG Yong, FAN Ding, FAN Qinghua

Journal Article

Online Monitoring of Welding Status Based on a DBN Model During Laser Welding

Yanxi Zhang, Deyong You, Xiangdong Gao, Seiji Katayama

Journal Article

Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Journal Article

Review on electromagnetic welding of dissimilar materials

K. SHANTHALA,T. N. SREENIVASA

Journal Article

Structure and performance of welding joint of Q235 steel welded by SHS welding

Junzhi HU, Sumei WANG, Xiaoli ZHAO, Shilin ZHU, Botao YU,

Journal Article

Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Journal Article

Factor Analysis of Lightweight Material Welding Workshop Intelligentization

Zhou Anliang and Wang Decheng

Journal Article

Effects of combined procedure and devascularization alone on hyperdynamics of the portal venous system

HUA Rong, SUN Yongwei, WU Zhiyong

Journal Article

Research on overlaying welding rod of high hardness maraging steel

PAN Yong-ming, CHEN Shao-wei

Journal Article

A dynamic procedure based on the scale-similarity hypotheses for large-eddy simulation

ZHOU Bing, CUI Guixiang, CHEN Naixiang

Journal Article

Working Procedure of Developing a New Deep Hard-rock Burst-prone Deposit

Guo Ran,Yu Runcang

Journal Article

Non-electric welding and its application on equipment under emergency conditions

HU Junzhi, HU Chunhua, MA Shining, XIN Wentong

Journal Article