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1. WO2020192040 - FRACTURE TOUGHNESS TESTING DEVICE UNDER LOW-TEMPERATURE AND HIGH-PRESSURE HYDROGEN CHARGED ENVIRONMENT AND METHOD THEREOF

Publication Number WO/2020/192040
Publication Date 01.10.2020
International Application No. PCT/CN2019/106291
International Filing Date 18.09.2019
IPC
G01N 3/18 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3Investigating strength properties of solid materials by application of mechanical stress
08by applying steady tensile or compressive forces
18Performing tests at high or low temperatures
CPC
G01N 2203/0017
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2203Investigating strength properties of solid materials by application of mechanical stress
0014Type of force applied
0016Tensile or compressive
0017Tensile
G01N 2203/0067
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2203Investigating strength properties of solid materials by application of mechanical stress
0058Kind of property studied
006Crack, flaws, fracture or rupture
0067Fracture or rupture
G01N 2203/0228
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2203Investigating strength properties of solid materials by application of mechanical stress
02Details not specific for a particular testing method
022Environment of the test
0222Temperature
0228Low temperature; Cooling means
G01N 2203/0232
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2203Investigating strength properties of solid materials by application of mechanical stress
02Details not specific for a particular testing method
022Environment of the test
023Pressure
0232High pressure
G01N 2203/0236
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2203Investigating strength properties of solid materials by application of mechanical stress
02Details not specific for a particular testing method
022Environment of the test
0236Other environments
G01N 3/18
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3Investigating strength properties of solid materials by application of mechanical stress
08by applying steady tensile or compressive forces
18Performing tests at high or low temperatures
Applicants
  • 江苏大学 JIANGSU UNIVERSITY [CN]/[CN]
Inventors
  • 黄舒 HUANG, Shu
  • 赵家曦 ZHAO, Jiaxi
  • 周建忠 ZHOU, Jianzhong
  • 马冬辉 MA, Donghui
  • 李红宇 LI, Hongyu
  • 胡磊 HU, Lei
  • 单铭远 SHAN, Mingyuan
Agents
  • 北京德崇智捷知识产权代理有限公司 JW IP LAW FIRM
Priority Data
201910220137.022.03.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) FRACTURE TOUGHNESS TESTING DEVICE UNDER LOW-TEMPERATURE AND HIGH-PRESSURE HYDROGEN CHARGED ENVIRONMENT AND METHOD THEREOF
(FR) DISPOSITIF DE TEST DE TÉNACITÉ DANS UN ENVIRONNEMENT CHARGÉ D'HYDROGÈNE À BASSE TEMPÉRATURE ET HAUTE PRESSION ET PROCÉDÉ CORRESPONDANT
(ZH) 一种低温高压充氢环境下的断裂韧性测试装置及其方法
Abstract
(EN)
Provided is a fracture toughness testing device under low-temperature and high-pressure hydrogen charged environment, comprising a sealed box body and a tensile device, the tensile device is provided on the sealed box body, further comprising a refrigeration assembly, a liquid pressurization assembly, an electrochemical assembly, a detection assembly and an industrial personal computer (32); the liquid pressurization assembly is used for supplying the high pressure electrolyte solution to the interior of the sealed box body; the refrigeration assembly is used for cooling the electrolyte solution; the electrochemical assembly is used for generating hydrogen on the surface of a tensile test sample (21); the detection assembly is used for detecting the pressure and temperature in the sealed box body, and the opening crack state of the tensile test sample (21); the industrial personal computer (32) controls the refrigeration assembly, the liquid pressurization assembly, the electrochemical assembly and the tensile device through collecting and analyzing the information of the detection assembly. The testing device is used for testing the fracture toughness under low-temperature, high-pressure and hydrogen rich environment, a low-temperature, high-pressure and hydrogen rich deep sea environment is effectively simulated, and the reliability of final testing data is improved.
(FR)
L'invention concerne un dispositif de test de ténacité dans un environnement chargé d'hydrogène à basse température et haute pression comprenant un corps de boîte étanche et un dispositif de traction, le dispositif de traction étant disposé sur le corps de boîte étanche, comprenant en outre un ensemble réfrigération, un ensemble pressurisation de liquide, un ensemble électrochimique, un ensemble détection et un ordinateur personnel industriel (32) ; l'ensemble pressurisation de liquide est utilisé pour fournir la solution d'électrolyte à haute pression à l'intérieur du corps de boîte étanche ; l'ensemble réfrigération est utilisé pour refroidir la solution d'électrolyte ; l'ensemble électrochimique est utilisé pour générer de l'hydrogène sur la surface d'un échantillon d'essai de traction (21) ; l'ensemble détection est utilisé pour détecter la pression et la température dans le corps de boîte étanche, et l'état de fissure d'ouverture de l'échantillon d'essai de traction (21) ; l'ordinateur personnel industriel (32) commande l'ensemble réfrigération, l'ensemble pressurisation de liquide, l'ensemble électrochimique et le dispositif de traction par la collecte et l'analyse des informations de l'ensemble détection. Le dispositif de test est utilisé pour tester la ténacité dans un environnement à basse température, à haute pression et riche en hydrogène, un environnement à basse température, haute pression et riche en hydrogène est efficacement simulé, et la fiabilité des données de test final est améliorée.
(ZH)
一种低温高压充氢环境下的断裂韧性测试装置,包括封闭箱体和拉伸装置,封闭箱体上设有拉伸装置,还包括制冷组件、液体增压组件、电化学组件、检测组件和工控机(32);液体增压组件用于给所述封闭箱体内部提供高压电解质溶液;制冷组件用于使电解质溶液降温;电化学组件用于在拉伸试样(21)表面产生氢气;检测组件用于检测封闭箱体内的压力、温度与拉伸试样(21)的开口裂纹状态;工控机(32)通过采集分析检测组件的信息,控制制冷组件、液体增压组件、电化学组件和拉伸装置。测试装置用于测试材料低温高压富氢环境下的断裂韧性,有效地模拟低温高压富氢的深海环境,提高最终试验数据的可靠性。
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