The shear fracture phenomena of HR-2 steel tube under shock loading were studied.
介绍了对HR 2抗氢钢圆管在内爆压缩加载过程中的剪切断裂现象的初步研究结果。
SEM analysis of fragments section show that their formation is mostly caused by the shear fracture.
利用扫描电镜对破片断面进行分析,发现破片的形成主要由剪切断裂造成。
Evaluation of a patient with a coronal shear fracture begins with clinical assessment and radiography.
对于冠状面剪力骨折患者的评价要从临床和放射性评估开始。
Extensive research has been done on the fracture behavior of concrete, but very little on shear fracture.
有关混凝土的断裂行为己被广泛研究,但很少是针对剪切断裂的情况。
On structure it is a west leans' structural nose, the large-scale shear fracture growth and complicate the structure;
③构造上为一西倾鼻状构造,大型剪切断裂发育且将构造复杂化;
Finally, this paper gives a shape equation of rock compression shear fracture nucleus describing the microcracking zone.
在上述结果基础上,提出了描述该微裂区的岩石压剪断裂核的形状方程。
Therefore, ductile shear zones can lead to shear fracture at the same structural level where ductile deformation develops.
由此可见,韧性剪切带在同一构造层次情况下,可在变形较强的部位产生剪破裂;
Coulomb's criterion of shear fracture is used to determine whether these stress components will trigger the earthquakes or not.
根据岩石的库仑剪破裂准则来判断潮汐应力对所研究的震例是否具有触发作用。
Through to the shear fracture conductivity theory and experiment's research indicated that shear fracture conductivity is limited.
剪切裂缝导流能力理论和实验的研究表明剪切裂缝导流能力有限。
This paper presents a result of researching the microcracking zone near the notch tip of rock specimen in compression shear fracture.
本文介绍了岩石压剪断裂试件切口端部微裂区的研究成果。
Percent shear fracture appearance is an important factor to evaluate neutron irradiation embrittlement of nuclear pressure vessel steel.
在核压力容器钢的中子辐照脆化评价中,断口剪切面积百分比是一个重要的参数。
Theoretical study shows that the crack extension under shear loading is caused by tensile stress, and it does not belong to shear fracture.
理论分析证明,在剪切载荷作用下裂纹扩展是由于拉伸应力引起的,并非剪切破坏。
Studies show that the ore-controlling modes in Fengjiayu iron ore area include fold texture and ductile-brittle shear fracture composite texture types.
研究表明,冯家峪铁矿矿区内构造可分为褶皱构造控矿模式以及褶皱构造和韧脆性剪切断裂复合构造的控矿模式。
The Changpo reverse anticline controls the location of Changpo-Tongkeng deposit, while the bed-parallel shear fracture zone and thrust fault control the ore bodies.
长坡倒转背斜控制长坡-钢坑矿床的产出,层间剪切破碎带和逆掩断层控制着矿体的空闻位置。
The method of the equivalence of the mechanical parameter is also given based on the deformation regularity of the normal and shear fracture of the single fracture.
在单一裂隙法向变形和剪切变形规律的基础上,给出其力学参数等效方法。
Tensile and pressure-shear numerical tests are carried on the concrete specimens with precast cracks, and the tensile fracture and shear fracture process are obtained.
对预制裂纹的混凝土试件进行拉伸、压剪数值试验,得到混凝土拉伸断裂及压剪断裂破坏过程;
The extension length of rock compression and shear fracture nucleus of the earth's crust is discussed, and it is verified by in-situ findings of geological investigation.
探讨了地壳岩石压剪断裂核的延深长度,并借矿床地质调查的成果加以实证。
The results show a certain time thermal cycle can cause the fracture mechanism change. It varies from original pure shear fracture to microvoid coalescence fracture gradually.
结果表明,一定时间的热循环会造成LF6铝合金焊接接头断裂机理的改变,由未经热循环时的纯剪切型断裂,逐渐过渡成微孔聚集型断裂。
From the point of view of fracture mechanics, we studied the far displacement field produced by a disk-shaped pure shear fracture and obtained an analytic expression for that field.
作者从断裂力学观点研究了圆盘形纯剪切破裂产生的远场位移,导出了远场位移的解析表达式。
The model calculation results indicate that shear fracture energy of a fault generally increases with depth; at a certain depth it reached a peak value, then turns gradually attenuated.
模型计算结果表明,断裂的剪切破裂能随深度增加通常呈现先上升,在某一深度上达到峰值后逐渐衰减的形态。
It shows from study that the first section of rock system in Gai County , the shear fracture zone extending toward northwest and Wolongquan rock mass are major geological factors of ore control.
研究结果表明,盖县组一段岩石、北西向延伸的剪切破碎带以及卧龙泉岩体是主要的控矿地质因素。
The rock rupture state can be seen in the microcosmic photo of the notched area of compression and shear fracture samples before failure. The results agree well with the theoretic analytic results.
在压剪断裂试件临破坏前切口区域的微观照片中可见岩石破碎情况,与理论分析相符。
The NW and ne trending fault zones shape a conjugate pattern in this region, which represents a developing conjugate shear fracture system in the crust under the stress field since neotectonic time.
与北东向断裂带呈共轭关系,是在先存构造基础上于新构造应力场作用下正在发育的一套地壳共轭剪切破裂系统。
The tensile shear properties, mass loss ratio and surface residual stress of the bond samples before and after the thermal cycling were measured. The tensile shear fracture morphologies were observed.
测试了热循环前后胶接试样的拉伸剪切性能、质损率和表面残余应力,观察了拉伸剪切断口形貌。
Instead, fracture densities increase in the vicinity of faults or shear zones.
相反,裂缝密度在断层和剪切带附近增加。
The observational result of crack fracture form for rock samples with close crack under unloading after the peak compression shear load.
介绍了对含闭合裂缝岩石试件在达到峰值压剪荷载时卸荷的裂缝断裂形态观察结果。
Applying theory of linear elasticity fracture mechanics to the analysis of high strength concrete (HSC) compress shear member's cracking stress, a corresponding model is established in this paper.
把线弹性断裂力学的理论应用到高强混凝土压剪构件的开裂强度分析中,建立相应的计算力学模型。
The effect of dynamic shear and tensile strength of tungsten heavy alloys on the fracture mode of fragmentation under explosive loading was investigated.
研究钨合金动态抗拉和抗剪强度对爆炸加载下破片宏观断裂模式的影响。
The effect of dynamic shear and tensile strength of tungsten heavy alloys on the fracture mode of fragmentation under explosive loading was investigated.
研究钨合金动态抗拉和抗剪强度对爆炸加载下破片宏观断裂模式的影响。
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