1) fracturing
[英]['fræktʃə] [美]['fræktʃɚ]
致裂
1.
Compound technique of perforating can effectively control the perforating direction and the fracturing expansion.
借鉴石油工业中的复合射孔技术,对其应用于煤层致裂进行了初步的实验研究。
2.
This paper sets forth the essence of testing rock stress by fracturing controlit also introduces the basic theory of fracturing control,the virgin rock stress caculationwhich is used to control fracturing according to wall rock.
阐明了用控制致裂测试岩体应力的实质。
2) hydrogen-induced cracking
氢致开裂
1.
The threshold stress intensity of hydrogen-induced cracking during dynamical charging for 40CrMo steel decreased linearly with the logarithm of the concentration of diffusible hydrogen, C0, i.
动态充氢时氢致开裂（ＨＩＣ）门槛应力强度因子ＫＩＨ随试样中可扩散氢浓度Ｃ０（１０－６）的对数而线性下降，即ＫＩＨ＝３１。
2.
Various mechanisms of hydrogen-induced cracking and stress corrosion cracking have been reviewed.
本文对各种氢致开裂和应力腐蚀机理进行了评述。
3.
The KIH and da/dt of hydrogen-induced cracking in hydrogen gas at 400℃, however, could be measured.
对了Ti_3Al+Nb金属间化合物,用预裂纹试样研究原子氢引起的氢致开裂。
3) hydrogen induced cracking
氢致开裂
1.
The hydrogen induced cracking (HIC) of X70 pipeline steel was studied in H2SO4 solutions with different concentrations by means of electrochemical charging.
采用电化学充氢的方法研究了X70管线钢在不同浓度硫酸溶液中的氢致开裂(HIC)行为。
2.
The electrolytic hydrogen charging with constant current and X - ray diffraction were used to investigate the hydrogen content threshold of the hydrogen induced cracking for Til023 titanium alloy EBM joints and the effect of the microstructure phase on sensitivity of hydrogen induced cracking.
采用恒载电解充氢的方法和X射线衍射分析方法,研究了Ti1023电子束焊接接头引起氢致开裂氢含量门槛值以及Ti1023合金基体与焊缝中由于相成分的不同造成对氢致开裂的敏感性的差异;同时通过扫描电镜分析了不同充氢状态下试件的断口特征。
3.
The hydrogen induced cracking (HIC) behavior of pipeline steels in H_2S+NACE solution and in H_2S+artificial seawater solution has been investigated.
对管线钢室温分别在H2 S +NACE溶液和H2 S +人工海水溶液中的氢致开裂进行了研究。
4) hydraulic fracturing
水压致裂
1.
Research on measuring tensile critical stress intensity factor of floor rock by hydraulic fracturing technique;
水压致裂技术测试底板岩体张开型临界应力强度因子
2.
Application of hydraulic fracturing in-situ stress measurements in tunneling along the Dali-Lijiang Railway, Yunnan, China;
水压致裂地应力测试方法在云南大理—丽江铁路隧道工程中的应用
3.
Influence of pre-existing fractures on stress measurement results of hydraulic fracturing;
原生裂隙对水压致裂应力测量结果的影响
5) Copper brittleness
铜脆致裂
6) HIC
[英][hik] [美][hɪk]
氢致开裂
1.
Results show that the cavities were caused by hydrogen-induced cracking (HIC) during cold rolling before last treatment.
经对带有空洞的B7M20螺杆样品的宏观和微观检查和分析,结果表明螺杆心部的空洞为氢致开裂(HIC)所致。
补充资料：环境致裂
分子式：
CAS号：
性质：受应力的固体放在有腐蚀性的液体氛围中所产生的或加速的开裂现象。在这种情况下发生开裂或破坏所需的应力要比没有液体氛围时小得多。高聚物材料在受应力或加工成型过程中造成的残余应力较大的时候，当它暴露在某种环境或是接触某些化学药品时很容易发生开裂。非晶高聚物如聚甲基丙烯酸甲酯、聚苯乙烯和聚碳酸酯等暴露在某些溶剂中时发生开裂。聚乙烯、聚丙烯在某些洗涤剂或油的作用下也容易发生开裂。
CAS号：
性质：受应力的固体放在有腐蚀性的液体氛围中所产生的或加速的开裂现象。在这种情况下发生开裂或破坏所需的应力要比没有液体氛围时小得多。高聚物材料在受应力或加工成型过程中造成的残余应力较大的时候，当它暴露在某种环境或是接触某些化学药品时很容易发生开裂。非晶高聚物如聚甲基丙烯酸甲酯、聚苯乙烯和聚碳酸酯等暴露在某些溶剂中时发生开裂。聚乙烯、聚丙烯在某些洗涤剂或油的作用下也容易发生开裂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条