As a result, the researchers discovered that both the physical arrangement and grain boundaries play a vital role in determining the extent of susceptibility of the metal to embrittlement.
因此,研究人员发现物理上的排列和颗粒边界在决定金属脆化敏感程度上起着重要的作用。
Figure 17 is a scanning electron microscope view of a typical hydrogen embrittlement crack where separation occurs along grain boundaries.
图17示意了用电子显微镜扫描出的沿晶粒边界产生的氢脆裂纹。
Two area defects are twins and grain boundaries .
有两种面积缺陷,即孪生和晶粒间界。
The interface energy that exists between the sheets could be minimized by the grain boundaries by the formation of dislocations or pairs of rings.
而不同的石墨烯面之间存在的表面能可以通过在晶界处形成空位或者位错环而得到降低。
As the grain size decreases, there is a significant increase in the volume fraction of grain boundaries or interfaces.
当晶粒尺寸减少时,晶粒边界或界面的体积分数有很大的增加。
Experimental results indicate that dislocation patterns and grain boundaries are a clear bright image and easily observable.
实验结果表明,位错类型和颗粒边界图象清晰,又便于观察。
The presence of hexagonal BN was due to defects within the grain boundaries of the underlying polycrystalline diamond substrates.
而在含有大量缺陷的晶粒边界,存在六角氮化硼的成核与生长。
The effects of grain boundaries with high energy or high mobility and surface atmosphere on the growth of Goss grains are discussed.
讨论了高能晶界理论、高迁移率晶界理论、表面气氛等对高斯晶粒长大的贡献。
Preferential corrosion cracking at or along the grain boundaries of a metal.
优先腐裂或沿着金属晶界发生的腐蚀。
The mechanical strength of grain boundaries was calculated by the research team to find out the way each of them influenced the other.
研究者们计算了每个晶界的力学强度来探寻它们之间相互影响的方式。
Stress corrosion cracking in which the cracking occurs along grain boundaries.
沿着晶界发生的应力腐蚀开裂。
Impurities tend to segregate at grain boundaries.
杂质常常在晶粒间界偏析。
Intergranular fracture. Fracture of polycrystalline materials by crack propagation along grain boundaries.
多晶材料裂纹沿着晶界扩展而断裂。
Two area defects are twins and grain boundaries.
有两种面积缺陷,即孪生和晶粒间界。
A series of new techniques are adopted to set up the automatic grading system for the isolation and reconstruction of grain boundaries in quantitative metallograph analysis.
本文介绍利用一系列新颖的图像处理技术,实现了定量金相分析中的晶界重建和晶粒度自动评级。
However, large grain size and continuous grain boundaries combine to produce stress concentrations, thus lowering the plasticity and impact value of alloy after solution and aging treatment.
而粗大的晶粒及连续的晶界容易产生应力集中,因此合金经固溶时效后具有较低的塑性和冲击值。
The results show that high content of impurity elements, segregation along grain boundaries and uneven grain size are main reasons for the surface damage of domestic tungsten targets.
结果显示,杂质元素的含量偏高和沿晶界的偏析以及不均匀的钨晶粒是造成国产钨靶表面损伤的主要原因。
The relationship between positron mean lifetime and grain size, based on two state trapping model, has been developed, and the saturation trapping at grain boundaries has been predicated.
从两态捕获模型出发,导出了正电子平均寿命与晶粒大小之间的关系,并且预言了晶界正电子饱和捕获效应的存在。
It improves the machinability of steels because of brittlement of grain boundaries resulting from the tin segregating on the grain boundaries of the steels.
锡可有效改善钢材的易切削性能,原因是在切削温度范围内富集在晶界的锡使钢材的塑性降低。
All interfaces will reflect or scatter waves to some degree. This includes cracks, inclusions, grain boundaries and other discontinuities.
所有分界面将能反射或散声波到达某个程度,包括龟裂、内容物、砂眼分布范围、及其它裂痕。
There exists a damping peak in all of the alloys with different temperature because of the viscous sliding or slipping of the grain boundaries and interfaces at high temperature.
由于高温下合金中相界面的软化及粘性滑动,四种合金在高温下均存在一个温度内耗峰,只是出现的温度不同。
The segregation of solute atoms in grain boundaries may be classified into equilibrium and non-equilibrium grain boundaries segregation.
溶质原子的晶界偏聚可分为平衡晶界偏聚和非平衡晶界偏聚两大类。
The secondary carbides have a strong influence on recrystallization rate by retarding the migration of recrystallization grain boundaries.
退火过程中析出的二次碳化物阻碍再结晶晶界的迁移,从而影响再结晶层的界面推移速率。
It is due to the enhancement of spin dependent and independent scattering and tunneling effects on the interfaces of grain boundaries and inside the grains.
这是由于晶界处以及颗粒内部增加的自旋相关的散射和隧穿效应所致。
The oxidation degree of grain boundaries and crack propagation are qualitatively analyzed based on crack density and percentage of intergranular crack.
用裂纹密度和晶界裂纹的比例对晶界氧化的程度及裂纹扩展情况定性地加以分析。
The tempering embrittlement results from the precipitation and growth of M_6Ccarbides particles and the segregation of phosphorus at prior austenite grain boundaries.
其高温回火脆性是晶界上m_6c碳化物的析出长大和由此所产生的晶界磷偏聚共同作用的结果。
The test has been demonstrated that the boron segregation at austenite grain boundaries in quenched steel is a non-equilibrium grain boundary segregation phenomena occurred during cooling.
通过试验,论证了淬火钢中硼向奥氏体晶界的偏聚,是在冷却过程中发生的一种非平衡的晶界偏聚现象。
The recombination activity of grain boundaries (GBs) in casting multicrystalline silicon (mc-Si) was investigated through an electron beam induced current (EBIC) technique.
本文利用电子束诱生电流(EBIC)对铸造多晶硅中晶界的复合特性进行了研究。
The non equilibrium segregation of manganese to austenite grain boundaries in Mn cryogenic steels is investigated.
系统研究了锰低温钢中锰在奥氏体晶界上的不平衡偏聚。
The non equilibrium segregation of manganese to austenite grain boundaries in Mn cryogenic steels is investigated.
系统研究了锰低温钢中锰在奥氏体晶界上的不平衡偏聚。
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