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Experimental Analysis of Glass Cutting by Laser Thermal Str ess

Yin Sumin,Zhang Leihong,Xu Renjun,Zhang Lingfeng, Ge Tao

Strategic Study of CAE 2007, Volume 9, Issue 3,   Pages 67-70

Abstract: 10.6μm wavelength is absorbed fiercely by the15μm_thick glass layer on the surface, and the locol stressAt the same time the quenching mouth is blowing the colder air onto the glass surface, quenching the thermalstress concentrtion layer.The glass is disconnected along the cut which is made by mechanic means before cutting, and the crackThe best pace of the laser thermal stress cutting is 400 mm/s which is testified by the experiment.

Keywords： laser     glass     thermal stress cutting    

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Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 249-256 doi: 10.1007/s11465-014-0310-1

Abstract:

The analytical model of residual stress in orthogonal cutting proposed by Jiann is an important toolfor residual stress prediction in orthogonal cutting.model are picked out, including: inappropriate boundary conditions, unreasonable calculation method of thermalprocess; an improved calculation method of thermal stress is adopted; a stress constraint is added accordingAt last, an experiment for measuring residual stress in cutting AISI 1045 steel is conducted.

Keywords： residual stress     analytical model     orthogonal cutting     cutting force     cutting temperature    

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Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 294-300 doi: 10.1007/s11465-015-0351-0

Abstract: between the experimental and simulated results for the 1D and 2D specimens reveals that deformation and thermalstress in coated specimens can be predicted regardless of specimen geometry through FE modeling and

Keywords： in-plane     Young’s modulus     curvature temperature     thermal stress     coating    

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Cutting performance of surgical electrodes by constructing bionic microstriped structures

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0728-9

Abstract: Surgical electrodes rely on thermal effect of high-frequency current and are a widely used medical toolfor cutting and coagulating biological tissue.in surgery that can affect cutting performance.injury were investigated using horizontal and vertical cutting modes.This study demonstrates a promising approach for improving the cutting performance of surgical electrodes

Keywords： surgical electrodes     tissue adhesion     thermal injury     bionic structures     cutting performance     medical    

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Coupling evaluation for material removal and thermal control on precision milling machine tools

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 12-12 doi: 10.1007/s11465-021-0668-9

Abstract: material removal (MR) energy as useful energy consumption and ignored the useful energy consumed by thermalcontrol (TC) for maintaining internal thermal stability and machining accuracy.Hence, the cutting energy efficiency model considering the coupling relationship is established basedThe forced cooling mode of TC results in a 7% reduction in cutting energy efficiency.

Keywords： machine tools     cutting energy efficiency     thermal stability     machining accuracy     coupling evaluation    

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The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 265-269 doi: 10.1007/s11465-014-0311-0

Abstract: On the basis of the analytical model for residual stress, a series of simulations for residual stressprediction during cutting AISI 1045 steel are implemented in order to obtain the influences of cuttingspeed, depth of cut and tool edge radius on surface residual stress in the workpiece.And these influences are explained from the perspective of formation mechanism of residual stress incutting.

Keywords： residual stress     analytical model     strain     plastic     cutting parameter    

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Thermal fluid-structure interaction and coupled thermal-stress analysis in a cable stayed bridge exposed

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 609-628 doi: 10.1007/s11709-018-0452-z

Abstract: In this paper, thermal fluid structure-interaction (TFSI) and coupled thermal-stress analysis are utilizedVorticity and thermal convection fields of three fire scenarios are simulated and analyzed.The results revealed that TFSI models and coupled thermal-stress models are significant in detecting

Keywords： fire scenario     transient heat transfer     TFSI model     coupled thermal-stress     XFEM    

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Effects of hemin and thermal stress exposure on JWA expression

ZHAO Ming, CHEN Rui, LI Aiping, ZHOU Jianwei

Frontiers of Medicine 2007, Volume 1, Issue 1,   Pages 104-108 doi: 10.1007/s11684-007-0020-8

Abstract: To investigate the expression of JWA after hemin and (or) thermal stress exposure, we treated K562 (chronicmyelogenous leukemia cells) cells with different doses of hemin and thermal stress using different exposurestress (42 °C, 30 min).CAT-ELISA further confirmed that either hemin or thermal stress treatment could up-regulate JWA transcriptionHemin and thermal stress might regulate JWA expression via distinct intracellular signal transduction
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Risk-based probabilistic thermal-stress analysis of concrete arch dams

Narjes SOLTANI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1007-1019 doi: 10.1007/s11709-019-0521-y

Abstract: The probabilistic risk of arch dam failure under thermal loading is studied.variables, are associated with the most affecting structural (material) properties of concrete and thermalstress distribution is investigated during the operating phase.methods in order to obtain thermal response predictions, and estimate the probability of failure inThe thermal loading includes ambient air and reservoir temperature variations.

Keywords： arch dams     probabilistic analysis     thermal stress     sensitivity     reliability    

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the contributions of friction and plastic deformation to machined surface temperatures and residual stresspatterns in finish dry cutting

Subhash ANURAG, Yuebin GUO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 247-255 doi: 10.1007/s11465-010-0097-7

Abstract: This lack of understanding on the temperature distribution blocks the design of effective cutting toolcontributions of tool/work friction and material plastic deformation to surface temperature in a dry cuttingHigh temperatures are produced when more materials are plowed under the cutting edge.A large tool/work friction leads to higher surface temperatures, and the use of a cutting tool with physicalResidual stress reversal from subsurface maximum residual to surface maximum residual stress may occur

Keywords： surface temperature     friction     residual stress     finite element analysis (FEA)     dry cutting     tool property    

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Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 158-164 doi: 10.1007/s11709-009-0002-9

Abstract: field test was conducted to investigate the distribution of temperature field and the variation of thermalstress for a prestressed concrete (PC) box-girder bridge.According to field tests, the thermal stress incurred by hydration heat may induce temperature cracksFurthermore, the nonlinear distribution of temperature gradient and the fluctuation of thermal stress

Keywords： box-girder bridge     field test     hydration heat     temperature field     temperature gradient     thermal stress    

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Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 57-64 doi: 10.1007/s11708-015-0385-3

Abstract: The precise calculation of temperature and thermal stress field of steam turbine rotor under off-designstress difference along with the change of HT coefficient from 20 W/(m ·°C) to 20000 W/(m ·°C).stress, which means a precise empirical HT coefficient formula, like the Sarkar formula is stronglystress.This research plays a constructive role in the calculation and analysis of thermal stress.

Keywords： steam turbine     rotor     thermal stress     heat transfer coefficient     empirical formula    

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Research on the dynamic mechanical characteristics and turning tool life under the conditions of excessively heavy-duty turning

Genghuang HE, Xianli LIU, Fugang YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 329-334 doi: 10.1007/s11465-012-0303-x

Abstract:

The dynamic mechanical characteristics of excessively heavy-duty cutting were analyzed based on thecutting experiments with 2.25Cr-1Mo-0.25V steel used in hydrogenated cylindrical shells.processes, the model of dynamic shearing force in the cutting area was established.However, the experimental results showed that the dynamic shear flow stress in the cutting area greatlyThe heavy-duty cutting tool was damaged in the form of a shearing fracture.

Keywords： extreme loading cutting     shear flow stress     dynamic cutting force     fatigue fracture    

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Research and development of a high-quality thermal-stress online monitoring model for the 600 MW turbine

ZHANG Hengliang, XIE Danmei, XIONG Yangheng, SUN Kunfeng

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 322-326 doi: 10.1007/s11708-007-0047-1

Abstract: To monitor and control its thermal state, a rotor s temperature and thermal stress fields must be calculatedAfter some reasonable assumptions and simplification, iterative models of the rotor s temperature and thermalstresses were obtained with an integral transform based on a two-dimensional axis-symmetry thermal conductionThe iterative formulas could be used not only to analyze the rotor’s thermal states of turbine, but toThe method adopted can be used to analyze the thermal state of other axis-symmetry objects having similar
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Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 563-570 doi: 10.1007/s11465-018-0487-9

Abstract:

The thermal hydraulic (TH) behavior of coo-lant water is a key factor in the structural integrityassessments on reactor pressure vessels (RPVs) of pressurized water reactors (PWRs) under pressurized thermalanalysis with different operator action times, we also performed structural analyses for evaluating thermal-stress

Keywords： structural integrity     reactor pressure vessel     pressurized thermal shock     thermal hydraulic analysis     pressurizedwater reactor     weld residual stress    

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Title Author Date Type Operation

Experimental Analysis of Glass Cutting by Laser Thermal Str ess

Yin Sumin,Zhang Leihong,Xu Renjun,Zhang Lingfeng, Ge Tao

Journal Article

Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Journal Article

Cutting performance of surgical electrodes by constructing bionic microstriped structures

Journal Article

Coupling evaluation for material removal and thermal control on precision milling machine tools

Journal Article

The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Thermal fluid-structure interaction and coupled thermal-stress analysis in a cable stayed bridge exposed

Nazim Abdul NARIMAN

Journal Article

Effects of hemin and thermal stress exposure on JWA expression

ZHAO Ming, CHEN Rui, LI Aiping, ZHOU Jianwei

Journal Article

Risk-based probabilistic thermal-stress analysis of concrete arch dams

Narjes SOLTANI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Journal Article

the contributions of friction and plastic deformation to machined surface temperatures and residual stresspatterns in finish dry cutting

Subhash ANURAG, Yuebin GUO,

Journal Article

Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Journal Article

Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Journal Article

Research on the dynamic mechanical characteristics and turning tool life under the conditions of excessively heavy-duty turning

Genghuang HE, Xianli LIU, Fugang YAN

Journal Article

Research and development of a high-quality thermal-stress online monitoring model for the 600 MW turbine

ZHANG Hengliang, XIE Danmei, XIONG Yangheng, SUN Kunfeng

Journal Article

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Journal Article