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Introduction of a New Method for Regulating Laves Phases in Inconel 718 Superalloy during a Laser-Repairing Article

Shang Sui,Haosheng Li,Zuo Li,Xuan Zhao,Liang Ma,Jing Chen

Engineering 2022, Volume 16, Issue 9,   Pages 239-246 doi: 10.1016/j.eng.2021.08.030

Abstract: size, and distribution of Laves phases have important influences on the mechanical properties of laser-repairedDue to the deterioration of the substrate zone, the Laves phase in the laser cladding zone of IN718In this study, an in situ laser heat-treatment method was proposed to regulate the morphologyIn the in situ laser heat-treatment process, a laser was used to heat previously deposited layersIn addition, the temperature amplitude could be reduced by simultaneously increasing the laser power

Keywords： Laser repair     In situ laser heat treatment     Inconel 718 alloy     Laves phase    

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Generation and repair of AID-initiated DNA lesions in B lymphocytes

Zhangguo Chen,Jing H. Wang

Frontiers of Medicine 2014, Volume 8, Issue 2,   Pages 201-216 doi: 10.1007/s11684-014-0324-4

Abstract: review, we focus on the molecular mechanisms that regulate the specificity of AID targeting and the repair

Keywords： class switch recombination     somatic hypermutation     activation-induced deaminase     DNA repair     genomic instability    

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Bile duct injury repair — earlier is not better

Vinay K. Kapoor

Frontiers of Medicine 2015, Volume 9, Issue 4,   Pages 508-511 doi: 10.1007/s11684-015-0418-7

Abstract: The timing of bile duct injury repair remains controversial.A recent review conducted in France reported 39% complications and 64% failure after immediate repairin 194 patients compared with 14% complications and 8% failure after late repair in 133 patients.Most patients with bile duct injury present with bile leak and sepsis; thus, early repair is not recommended

Keywords： bile duct injury     cholecystectomy     laparoscopic cholecystectomy    

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Mobile platform for hydraulic turbine blade repair robot

GUI Zhongcheng, CHEN Qiang, SUN Zhenguo, ZHANG Wenzeng, LIU Kang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 164-169 doi: 10.1007/s11465-008-0035-0

Abstract: adapt to complex spatial surfaces, which satisfy the requirements of a hydraulic turbine blade in-situ repair
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Expression status of GATA3 and mismatch repair proteins in upper tract urothelial carcinoma

Yue Wang, Jinxia Zhang, Yunfan Wang, Shufang Wang, Yu Zhang, Qi Miao, Fei Gao, Huiying He

Frontiers of Medicine 2019, Volume 13, Issue 6,   Pages 730-740 doi: 10.1007/s11684-019-0687-7

Abstract: GATA binding protein 3 (GATA3) and mismatch repair (MMR) deficiency contribute to the development of

Keywords： upper tract urothelial carcinoma     GATA binding protein 3     mismatch repair     microsatellite instability     prognosis    

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Experimental study and field application of calcium sulfoaluminate cement for rapid repair of concrete

Yanhua GUAN, Ying GAO, Renjuan SUN, Moon C. WON, Zhi GE

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 338-345 doi: 10.1007/s11709-017-0411-0

Abstract: The fast-track repair of deteriorated concrete pavement requires materials that can be placed, cured,Based on the laboratory results, the CSA cement was selected as the partial-depth rapid repair materialThe data collected during and after the repair show that the CSA cement concrete had good short-termand long-term performances and, therefore, was suitable for the rapid repair of concrete pavement.

Keywords： Sulfoaluminate (CSA) cement     Type III cement     coefficient of thermal expansion (CTE)     shrinkage     rapid repair    

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Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Strategic Study of CAE 2020, Volume 22, Issue 3,   Pages 78-84 doi: 10.15302/J-SSCAE-2020.03.012

Abstract:

Laser cutting and joining technology is indispensable as an advancedbe surely promoted by the integration of laser technology and digital manufacturing technology.joining and cutting technology, namely, laser welding, laser cutting, laser drilling, and laser markingThe problems faced by the development of the laser joining and cutting technology are discussed.unit, laser materials processing, and intelligent integration.

Keywords： laser material processing     laser welding     laser cutting     laser drilling     laser marking    

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Evidence for lung repair and regeneration in humans: key stem cells and therapeutic functions of fibroblast

Xuran Chu, Chengshui Chen, Chaolei Chen, Jin-San Zhang, Saverio Bellusci, Xiaokun Li

Frontiers of Medicine 2020, Volume 14, Issue 3,   Pages 262-272 doi: 10.1007/s11684-019-0717-5

Abstract: Repair, on the other hand, allows restoring the function of an existing but failing organ.The recognition that human lungs can both repair and regenerate is quite novel, the concept has not beenWe present evidence that the human adult lung does repair and regenerate and introduce different waysVarious types of lung stem cells are capable of proliferating and differentiating upon injury driving the repair

Keywords： FGF     human lung     repair     regeneration     stem cells    

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Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 49-52 doi: 10.1007/s11465-009-0005-1

Abstract: The laser homogenizing equipment was devised using the ring scanning principle.A laser scanning ring facula is obtained when the laser beam goes through the equipment’s optical systemhardness layer and better process quality can be attained using the ring facula optimized for metal laser

Keywords： laser homogenizing technology     laser scanning ring facula     temperature field    

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Effect of natural pozzolan content on the properties of engineered cementitious composites as repair

Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 261-269 doi: 10.1007/s11709-017-0394-x

Abstract: mechanical properties and durability characteristics on Engineered Cementitious Composites (ECC) as repairThis study focused on the evaluation of the most factors influencing compatibility between the repairThis lower Young’s modulus is desirable for repair concrete, because it prevents the stresses induced

Keywords： natural pozzolan     engineered cementitious composites     mechanical strengths     elastic modulus     capillary absorption     drying shrinkage    

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Strategic Research on China’s Laser Technology and Its Application by 2035

Research Group of Strategic Research on China’s Laser Technology and Its Application by 2035

Strategic Study of CAE 2020, Volume 22, Issue 3,   Pages 1-6 doi: 10.15302/J-SSCAE-2020.03.001

Abstract:

To promote the development of laser technology and its application, theAcademy of Engineering launched a major consulting project “Strategic Research on China’s LaserIt briefly analyzes laser technology and its instrumental, leading, and disruptive role in scientificinnovation ecology of laser industry.cultivation of the laser and optical disciplines.

Keywords： laser technology，laser manufacturing，laser communication，laser diagnosis and treatment    

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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 andEM 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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Development of lunar regolith composite and structure via laser-assisted sintering

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0662-2

Abstract: In this paper, a laser-assisted additive manufacturing process is developed to fabricate lunar regolithcombination of composite material compositions and process parameters are mixing ratio of 50/50 in volume, laserThereafter, the mechanical properties of laser-sintered lunar regolith composites are implemented toThe effectiveness and the feasibility of this laser-assisted process are potentially developed for future

Keywords： in situ manufacturing     laser-assisted powder fusion process     mechanical properties     topological    

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Development of Laser Surface Modification Technology

Zhang Qunli, Wang Liang, Mei Xuesong, Yao Jianhua

Strategic Study of CAE 2020, Volume 22, Issue 3,   Pages 71-77 doi: 10.15302/J-SSCAE-2020.03.010

Abstract:

The laser surface modification technology uses high-energy-density laserAfter decades of development, laser surface modification technology has been widely applied to aerospaceTaking three typical laser surface modification technologies—laser shock processing, laser quenchingsurface modification, on-site laser remanufacturing, laser shock processing with controlled shape andperformance, intelligent laser surface modification, and laser surface micro-structure preparation.

Keywords： laser surface modification     laser shock processing     laser quenching     laser cladding     development trend    

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Investigating peak stresses in fitting and repair patches of buried polyethylene gas pipes

Reza KHADEMI ZAHEDI, Pouyan ALIMOURI, Hooman KHADEMI ZAHEDI, Mohammad SHISHESAZ

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 147-168 doi: 10.1007/s11709-019-0587-6

Abstract: The second objective is to study the effectiveness of polyethylene repair patches which are used to mendAdditionally, due to the application of pipe joints, and repair patches local stresses superimposed onThe pipe is assumed to be made of PE80 resin and its jointing socket, and the repair patch is PE100 material

Keywords： Ansys software     polyethylene     buried pipelines     polyethylene joints     polyethylene patches     peak von Mises stress     soil-pipe interaction     temperature variation    

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Title Author Date Type Operation

Introduction of a New Method for Regulating Laves Phases in Inconel 718 Superalloy during a Laser-Repairing

Shang Sui,Haosheng Li,Zuo Li,Xuan Zhao,Liang Ma,Jing Chen

Journal Article

Generation and repair of AID-initiated DNA lesions in B lymphocytes

Zhangguo Chen,Jing H. Wang

Journal Article

Bile duct injury repair — earlier is not better

Vinay K. Kapoor

Journal Article

Mobile platform for hydraulic turbine blade repair robot

GUI Zhongcheng, CHEN Qiang, SUN Zhenguo, ZHANG Wenzeng, LIU Kang

Journal Article

Expression status of GATA3 and mismatch repair proteins in upper tract urothelial carcinoma

Yue Wang, Jinxia Zhang, Yunfan Wang, Shufang Wang, Yu Zhang, Qi Miao, Fei Gao, Huiying He

Journal Article

Experimental study and field application of calcium sulfoaluminate cement for rapid repair of concrete

Yanhua GUAN, Ying GAO, Renjuan SUN, Moon C. WON, Zhi GE

Journal Article

Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Journal Article

Evidence for lung repair and regeneration in humans: key stem cells and therapeutic functions of fibroblast

Xuran Chu, Chengshui Chen, Chaolei Chen, Jin-San Zhang, Saverio Bellusci, Xiaokun Li

Journal Article

Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Journal Article

Effect of natural pozzolan content on the properties of engineered cementitious composites as repair

Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR

Journal Article

Strategic Research on China’s Laser Technology and Its Application by 2035

Research Group of Strategic Research on China’s Laser Technology and Its Application by 2035

Journal Article

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

Journal Article

Development of lunar regolith composite and structure via laser-assisted sintering

Journal Article

Development of Laser Surface Modification Technology

Zhang Qunli, Wang Liang, Mei Xuesong, Yao Jianhua

Journal Article

Investigating peak stresses in fitting and repair patches of buried polyethylene gas pipes

Reza KHADEMI ZAHEDI, Pouyan ALIMOURI, Hooman KHADEMI ZAHEDI, Mohammad SHISHESAZ

Journal Article