Fracture analysis of the fan shaft was made by observing macroscopic and microscopic appearances of the crack, and examining micro hardness and chemical composition of the material.
通过观察断裂风机轴裂纹宏观和微观形貌，检验化学成分、显微硬度等方法对风机轴断裂的原因进行了分析。
Brittle fracture. Fracture that occurs by rapid crack propagation and without appreciable macroscopic deformation.
通过快速裂纹扩展发生断裂，没有明显的宏观变形。
The irreversible deformation and fracture of solids may be related to a class of processes in which the macroscopic effects are predominated by mesoscopic level behavior.
固体的不可逆形变和断裂与一类过程相关，在此过程中宏观效应是细观层次行为起着支配作用。
The analysis of automobile engine crankshaft was conducted by macroscopic examination, fracture analysis, chemical composition analysis, metallographic examination and mechanical properties test.
通过宏观分析、断口分析、化学成分检验、金相检验和力学性能检测等方法，对汽车发动机曲轴断裂原因进行了分析。
Metal manufacturing technology is a process contains multiscale coupling phenomenon where fracture of atomic bond in the microscopic area will lead to the material removal in the macroscopic area.
金属切削工艺是一种隐含着微观和宏观之间耦合作用的过程，微观局部原子间化学键的断裂将会最终导致材料的宏观去除。
The simulated results reflect macroscopic failure evolution process induced by microscopic fracture and the spatial and temporal distribution characteristics of acoustic emissions event hypocenter.
数值模拟结果演示两种条件下由微破裂诱致宏观破坏的演化过程以及和微破裂相关的声发射事件源的空间分布特征和事件序列特征。
Consequently, at the macroscopic crack branching velocity, the experimental fracture surface energy and the fracture surface roughness; have no single value in such materials.
因此，对这种材料在宏观裂纹分叉速度时，实验断裂表面能及断裂表面韧性没有单一值。
The fracture of blind plate bolts on a coal gas heater of 350 MW gas turbine unit were systematically characterized and analyzed by a series of macroscopic and microscopic analysis methods.
采用宏观和微观分析法对350MW燃气轮机组煤气加热器盲板螺栓断裂进行了系统的表征分析。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
A further theoretical analysis reveals that the basic mechanical characteristics of the nominal fracture energy agree with the observed macroscopic experimental phenomena of concrete.
进一步的理论分析表明该名义断裂能的基本力学特征与混凝土宏观实验现象一致。
The fracture morphology was the synthesis of the cleavage brittle fracture (macroscopic) and the accurate cleavage fracture (microscopic).
其断口形貌为解理脆性断裂(宏观)和准解理断裂(微观)的综合。
After macroscopic and microscopic analysis, the type of the fracture belongs to brittle fracture is confirmed. Insufficient tempering is the main factor and the improper grinding is the outer factor.
通过宏观和微观分析，证实模板的断裂属脆性断裂，导致模板断裂的主要原因是热处理时回火不足，模板磨削不当是断裂的外部原因。
The fracture of the as-extruded composite on a macroscopic scale is cup and cone morphology and features with the toughness failure on the microscopic scale.
挤压态合金的拉伸断口宏观上为杯锥状，微观上表现为明显的韧性断裂特征。
The simulation results reflect macroscopic failure evolution process induced by microscopic fracture subjected to hydraulic loading, which agrees well with the experimental results.
数值模拟再现了水压致裂过程中岩石由细观微破裂到宏观破坏的演化过程，并且与试验结果表现出了较好的一致性。
The simulation results reflect macroscopic failure evolution process induced by microscopic fracture subjected to hydraulic loading, which agrees well with the experimental results.
数值模拟再现了水压致裂过程中岩石由细观微破裂到宏观破坏的演化过程，并且与试验结果表现出了较好的一致性。
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