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Measurement of dynamic fracture toughness and failure behavior for explosive mock materials

Pengwan CHEN, Zhongbin ZHOU, Shaopeng MA, Qinwei MA, Fenglei HUANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 292-295 doi: 10.1007/s11465-011-0237-8

Abstract: The fracture toughness of the specimen was preliminary measured.

Keywords： explosive simulant     split Hopkinson pressure bar (SHPB)     semicircular bending test     deformation     fracture toughness    

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Feasibility analysis of modified AL-6XN steel for structure component application in supercritical water-cooled reactor

Xinggang LI, Qingzhi YAN, Rong MA, Haoqiang WANG, Changchun GE

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 193-197 doi: 10.1007/s11708-009-0030-0

Abstract: Modified AL-6XN exhibited comparable tensile strength, and superior plasticity and impact toughness toThe effects of aging behavior on corrosion resistance and impact toughness were measured to evaluateAttention should be paid to degradation in corrosion resistance and impact toughness after aging for

Keywords： supercritical water cooled reactor     tensile     impact toughness     corrosion     aging    

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Recent development in low-constraint fracture toughness testing for structural integrity assessment of

Jidong KANG, James A. GIANETTO, William R. TYSON

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 546-553 doi: 10.1007/s11465-018-0501-2

Abstract:

Fracture toughness measurement is an integral part of structural integrity assessment of pipelinesSuch a test provides high constraint and therefore conservative fracture toughness results.Low-constraint toughness tests represent more realistic loading conditions for girth weld defects, andthe corresponding increased toughness can minimize unnecessary conservatism in assessments.Examples are also given of the integration of fracture toughness data from SE(T) tests into structural

Keywords： fracture toughness     constraint effect     single-edge-notched tension test     pipeline     structural integrity assessment    

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A toughness based deformation limit for X- and K-joints under brace axial tension

Bo GU,Xudong QIAN,Aziz AHMED

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 345-362 doi: 10.1007/s11709-016-0333-2

Abstract: force in a fatigue crack at the hot-spot location in the tubular joint reaches the material fracture toughnessincludes a normalization procedure, which covers a wide range of the geometric parameters and material toughness

Keywords： circular hollow section (CHS)     tubular joint     fracture failure     deformation limit     J-integral    

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Micromechanics model for static and dynamic strength of concrete under confinement

ZHENG Dan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 329-335 doi: 10.1007/s11709-008-0044-4

Abstract: On the assumption that the micro fracture toughness of concrete does not vary with stain rate, the static

Keywords： comparison     different     interaction     pseudo-force     toughness    

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Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 448-453 doi: 10.1007/s11783-007-0071-8

Abstract: Environmental impact assessment (EIA) system has been established in China since 1973.

Keywords： public     impact assessment     Environmental impact     general    

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Effect of fiber hybridization on energy absorption and synergy in concrete

Ahmadreza RAMEZANI, Mohammad Reza ESFAHANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1338-1349 doi: 10.1007/s17009-019-0558-2

Abstract: The relevant flexural toughness of the specimens was calculated using ASTM C1018, ASTM C1609, JSCE, andIt was observed that steel fibers are more effective in the improvement of flexural toughness in the

Keywords： hybrid fiber-reinforced concrete     synergy     toughness     steel fibers     polypropylene fibers    

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The clinical impact of tricuspid regurgitation in patients with a biatrial orthotopic heart transplant

Frontiers of Medicine 2023, Volume 17, Issue 3,   Pages 527-533 doi: 10.1007/s11684-022-0967-5

Abstract: In this study, we aim to elucidate the clinical impact and long-term course of tricuspid regurgitation

Keywords： orthotopic heart transplant     tricuspid regurgitation     clinical impact     biatrial heart transplantation    

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Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 308-315 doi: 10.1007/s11465-010-0020-2

Abstract: This paper investigates the impact spreading of a droplet on a solid substrate using numerical simulationhowever, the pressures on the substrate are quite different and air entrainment may be found as the impactThe impact speed impacts on the spreading factors in high speed droplet spreading.The spreading factor obviously increases with increasing impact speed; however, splashing will appear

Keywords： droplet     impact spreading     numerical simulation    

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Concrete crack and control

Miao Changwen,Liu Jianzhong,Tian Qian

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 30-35

Abstract: At last,  a telechelic toughening material was also recommended to improve the toughness of concrete

Keywords： concrete     crack     shrinkage     hydration heat     toughness    

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Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 1,   Pages 53-59 doi: 10.15302/J-FASE-2015049

Abstract: prototype sprinklers, outside signal sprinkler (OS) and fluidic sprinkler (FS), were compared with impact

Keywords： outside signal sprinkler     fluidic sprinkler     impact sprinkler     sprinkler irrigation     droplet size     droplet    

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Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 615-623 doi: 10.1007/s11709-022-0828-y

Abstract: In addition to the fracture energy and impact strength, two important indicators of ballistic performance

Keywords： projectile impact     depth of penetration     fracture energy     crater diameter     UHPFRC    

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Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 90-97 doi: 10.1007/s11709-010-0008-3

Abstract: to “dynamic loading” in the form of seismic action on the dam-reservoir-system and alternatively by “impact

Keywords： dam-reservoir     earthquake     impact     cracking     fracture mechanics    

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Buffer capacity of granular matter to impact of spherical projectile based on discrete element method

Ying YAN, Pengfei LI, Shunying JI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 50-54 doi: 10.1007/s11709-013-0186-x

Abstract: Granular matter possesses impact-absorbing property due to its energy dissipation character.To investigate the impact-absorbing capacity of granular matter, the discrete element method (DEM) isadopted to simulate the impact of a spherical projectile on to a granular bed.The penetration depth of the projectile and the first impact peak are investigated with different bedthicknesses and impact velocities.

Keywords： granular matter     impact peak     buffer capacity     discrete element method     critical thickness    

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Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 29-36 doi: 10.1007/s11708-015-0388-0

Abstract: A composite liquid metal marble made of metal droplet coated with water film was proposed and its impact

Keywords： liquid metal marble     metallic droplet     composite fluid     impact dynamics     multiphase fluid mechanics    

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Title Author Date Type Operation

Measurement of dynamic fracture toughness and failure behavior for explosive mock materials

Pengwan CHEN, Zhongbin ZHOU, Shaopeng MA, Qinwei MA, Fenglei HUANG

Journal Article

Feasibility analysis of modified AL-6XN steel for structure component application in supercritical water-cooled reactor

Xinggang LI, Qingzhi YAN, Rong MA, Haoqiang WANG, Changchun GE

Journal Article

Recent development in low-constraint fracture toughness testing for structural integrity assessment of

Jidong KANG, James A. GIANETTO, William R. TYSON

Journal Article

A toughness based deformation limit for X- and K-joints under brace axial tension

Bo GU,Xudong QIAN,Aziz AHMED

Journal Article

Micromechanics model for static and dynamic strength of concrete under confinement

ZHENG Dan

Journal Article

Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Journal Article

Effect of fiber hybridization on energy absorption and synergy in concrete

Ahmadreza RAMEZANI, Mohammad Reza ESFAHANI

Journal Article

The clinical impact of tricuspid regurgitation in patients with a biatrial orthotopic heart transplant

Journal Article

Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Journal Article

Concrete crack and control

Miao Changwen,Liu Jianzhong,Tian Qian

Journal Article

Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Journal Article

Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Journal Article

Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Journal Article

Buffer capacity of granular matter to impact of spherical projectile based on discrete element method

Ying YAN, Pengfei LI, Shunying JI

Journal Article

Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Journal Article