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Identification of important factors influencing nonlinear counting systems Research Article

Xinmin ZHANG, Jingbo WANG, Chihang WEI, Zhihuan SONG,xinminzhang@zju.edu.cn,wangjingbobo@zju.edu.cn,chhwei@zju.edu.cn,songzhihuan@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 1,   Pages 123-133 doi: 10.1631/FITEE.2000324

Abstract: Identifying factors that exert more influence on system output from data is one of the most challenging tasks in science and engineering. In this work, a of the (SA-GGPR) model is proposed to identify of the . In SA-GGPR, the GGPR model with Poisson likelihood is adopted to describe the . The GGPR model with Poisson likelihood inherits the merits of nonparametric kernel learning and Poisson distribution, and can handle complex s. Nevertheless, understanding the relationships between model inputs and output in the GGPR model with Poisson likelihood is not readily accessible due to its nonparametric and kernel structure. SA-GGPR addresses this issue by providing a quantitative assessment of how different inputs affect the system output. The application results on a simulated and a real have demonstrated that the proposed SA-GGPR method outperforms several state-of-the-art methods in identification accuracy.

Keywords： Important factors     Nonlinear counting system     Generalized Gaussian process regression     Sensitivity analysis     Steel casting-rolling process    

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Strengthening and Softening of Ferrite+Pearlite Steels Produced by Thin Slab Casting and Rolling

Fu Jie,Wu Huajie,Liu Yangchun

Strategic Study of CAE 2008, Volume 10, Issue 4,   Pages 65-72

Abstract:

Based on the principle of the integrated strengthening of steel, thein steel around A1 temperature.The results show that strength of HSLC steel produced by TSCR can be further increased.from 344 MPa to 225 MPa to meet the requirement of producing basal plate for cold rolling.Problems about ferrite rolling, ultra fine grain steel and a possible new type building materials have

Keywords： HSLC steel     strengthening     softening     basal plate for cold rolling     super steel    

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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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Rolling process and fatigue property of a new-type hot-rolled low-carbon TRIP steel

Liu Ziquan,Tan Xiaodong,Yang Xiaolong,Xu Yunbo,Wu Di and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 54-58

Abstract: and the low- carbon low- silicon phosphorus/chromium-contained transformation induced plasticity（TRIP）steelResults revealed that the new-type TRIP steel possessed similar yield strength ， tensile strength increasedThe steel containing ferrite，bainite and retained austenite had a higher fatigue limit than the steelcontaining ferrite，bainite and pearlite or steel containing ferrite，pearlite and martensite-austenite

Keywords： hot- rolling     low-carbon TRIP steel     rolling process     fatigue property     fatigue fracture    

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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) blades, as well as an analysis of the solidification process in complex turbine blades.A series of novel casting methods based on the Bridgman process were presented to illustrate the developmentconsiderably decreasing the negative shadow effect and its related defects in the current Bridgman process

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

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The research and exploitation of the high strength hot rolling bulletproof steel

Li Zhigang,Ma Mingtu and Huang Zhenru

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 93-98

Abstract:

This paper researched and exploited high strength hot rolling bulletproof steel B900FD.effects of different coiling temperatures on microstructure and mechanical property of bulletproof steelShooting resistance property can satisfy the requirement of bulletproof steel.The machining and welding property can suit existing production process and reduce the cost.The comprehensive properties of developed B900FD steel achieve the standard of Protection specification

Keywords： bulletproof steel     high strength     hot rolling steel    

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Interfacial heat transfer coefficient between metal and die during high pressure die casting process

GUO Zhipeng, XIONG Shoumei, CHO SangHyun, CHOI JeongKil

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 283-287 doi: 10.1007/s11465-007-0049-z

Abstract: the interfacial heat transfer coefficient (IHTC) between metal and die during the high pressure die casting(HPDC) process.Experiments were carried out on an aluminum alloy, ADC12Z, using step shape casting so-called becauseincreased after liquid metal was brought into the cavity by the plunger and decreased as the solidification processCasting thickness played an important role in affecting the IHTC between the metal and die not only in

Keywords： so-called     calculation     inverse     interfacial     aluminum    

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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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Accumulated damage process of thermal sprayed coating under rolling contact by acoustic emission technique

Jia XU,Zhen-yu ZHOU,Zhong-yu PIAO

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 227-232 doi: 10.1007/s11465-016-0395-9

Abstract:

The accumulated damage process of rolling contact fatigue (RCF) of plasma-sprayed coatings was investigatedAcoustic emission (AE) technique was introduced to monitor the RCF process of the coatings.AE signal characteristics were investigated to reveal the accumulated damage process.

Keywords： accumulated damage     spray coating     rolling contact fatigue     acoustic emission    

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Outline of Strip Rolling Technological Control Theory

Zhang Jinzhi

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 46-55

Abstract: This system reflects only the static law of rolling process,so it is necessary to control dynamic rollingprocess by drawing high and new technology such as cybernetics, information theory and computer scienceinto the system.During the history of rolling theory, classical rolling theory based on mechanics tookthe lead before the establishment of spring equation, after that the rolling process control theoryfeedback effect of tension, is set up;disturbance survey problem is settled in gauge control process

Keywords： continuous rolling process control     tension in continuous rolling     gauge control     shape stiffness     springequation for rolling mill     comprehensive equal reserves for load distribution    

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Two-sided ultrasonic surface rolling process of aeroengine blades based on on-machine noncontact measurement

Shulei YAO, Xian CAO, Shuang LIU, Kaiming ZHANG, Xiancheng ZHANG, Congyang GONG, Chengcheng ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 240-255 doi: 10.1007/s11465-019-0581-7

Abstract: The ultrasonic surface rolling process (USRP) is a novel surface treatment technique that can highly

Keywords： aeroengine blades     on-machine noncontact measurement     point cloud processing     path planning     surface strengthening    

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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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Micro-alloyed Steels 一 Review and Prospect

Wang Yikang

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 77-82

Abstract: and the steel is reconfirmed as the backbone of the engineering materials.— Advanced Process Control System and brought out new steels with superior property as “Micro-alloyed steel is one of the major high tech steels with largest market demand.Micro-alloyed steels are produced by the Advanced Metallurgical Manufacturing Process with addition ofNb, Ti, and V to refine their grain size in re-heating and to harden and toughen their matrix after rolling

Keywords： micro-alloy steel     controlled rolling     line-pipe steel     weathering steel     SUF steel     environment conscious    

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Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 389-398 doi: 10.1007/s11465-010-0108-8

Abstract: The steel hot rolling process is inseparably connected to an oxide layer called “scale” at high temperaturesHydraulic descaling of rolled material is a part of all rolling trains.The process itself is not theoretically well described; various different approaches have been used toThis paper describes the dynamics of high-speed impact between the compressible water droplet and the steelto numerically verify the fact that impact stress can be a significant factor during the descaling process

Keywords： hydraulic descaling     scale     rolling     water-hammer     descaling theory    

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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 technologymechanical properties for the Al and Mg LFC processes, and defective carburization for the low carbon steelLFC process.and 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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Title Author Date Type Operation

Identification of important factors influencing nonlinear counting systems

Xinmin ZHANG, Jingbo WANG, Chihang WEI, Zhihuan SONG,xinminzhang@zju.edu.cn,wangjingbobo@zju.edu.cn,chhwei@zju.edu.cn,songzhihuan@zju.edu.cn

Journal Article

Strengthening and Softening of Ferrite+Pearlite Steels Produced by Thin Slab Casting and Rolling

Fu Jie,Wu Huajie,Liu Yangchun

Journal Article

Industrialization of the Advanced Technology in Continuous Casting of Steel

Gan Yong

Journal Article

Rolling process and fatigue property of a new-type hot-rolled low-carbon TRIP steel

Liu Ziquan,Tan Xiaodong,Yang Xiaolong,Xu Yunbo,Wu Di and Wang Guodong

Journal Article

Novel casting processes for single-crystal turbine blades of superalloys

Dexin MA

Journal Article

The research and exploitation of the high strength hot rolling bulletproof steel

Li Zhigang,Ma Mingtu and Huang Zhenru

Journal Article

Interfacial heat transfer coefficient between metal and die during high pressure die casting process

GUO Zhipeng, XIONG Shoumei, CHO SangHyun, CHOI JeongKil

Journal Article

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

Liu Baicheng

Journal Article

Accumulated damage process of thermal sprayed coating under rolling contact by acoustic emission technique

Jia XU,Zhen-yu ZHOU,Zhong-yu PIAO

Journal Article

Outline of Strip Rolling Technological Control Theory

Zhang Jinzhi

Journal Article

Two-sided ultrasonic surface rolling process of aeroengine blades based on on-machine noncontact measurement

Shulei YAO, Xian CAO, Shuang LIU, Kaiming ZHANG, Xiancheng ZHANG, Congyang GONG, Chengcheng ZHANG

Journal Article

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

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Journal Article

Micro-alloyed Steels 一 Review and Prospect

Wang Yikang

Journal Article

Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Journal Article

Novel technologies for the lost foam casting process

Wenming JIANG, Zitian FAN

Journal Article