根据动态材料模型建立并分析了其热加工图,同时观察了变形组织。
Processing map was also established based on the dynamic materials model. The microstructure evolution at different conditions was analyzed.
结果表明:应变速率和变形温度对合金的流变应力与变形组织有显著影响。
The results showed that the flow stress and deformed microstructure were greatly affected by strain rate and deformation temperature.
计算机模拟金属热变形过程中再结晶组织的变化是一种新的变形组织研究方法。
Simulation of the recrystallized microstructures in hot forming process is a new re-search method.
温变形后组织的力学性能高于退火变形组织的原因是晶粒的细化和纳米碳化物的均匀分布。
The mechanical property of m is higher than that of annealing structure after warm compression, probably because of the fine ferrite grain with uniformly distributed nano-sized carbide particles.
设计了铝合金铸轧工艺模拟的实验装置,研究了在该试验条件下,铝合金变形组织与工艺参数的关系。
An experimental instrument for simulating the roll-casting process was designed, and the effect of processing parameters on the microstructure of al alloy was studied.
研究了AA70 0 5合金高温压缩变形时的流变应力、动态回复与再结晶以及变形组织变化特征。
The flow behavior and dynamic recovery and recrystallization, as well as microstructure evolution, of AA7005 aluminium alloy in hot compression were investigated.
世卫组织沃考特仁博士说,怀特赛兹教授的“纸芯片”在湿热气候下可能会产生变形,而对于人们来说由于要靠医生分析检测结果从而对症治疗,所以看大夫仍然很重要。
Vercauteren, of the WHO, said the paper may mold in humid, hot climates. And it's still important for people to get access to doctors so they know what to do about their diagnoses, she said.
扭曲变形的区域表明了肿瘤可能入侵到邻近的组织。
Distorted areas suggest tumors that may have invaded neighboring tissues.
这些圆片被能变形的镍钛记忆合金制成,其上覆盖聚酯纤维,这能促进心脏组织在愈合期间沿圆片生长并完全覆盖它们。
The discs are made of flexible Nitinol metal and covered in polyester fabric that encourages heart tissue to grow over the discs completely covering them during healing.
利用扫描电镜断口分析及金相分析技术,分析了材料拉伸试件断口形貌及金相组织,初步探讨了材料的静态拉伸塑性变形机理。
The metallurgical structure and fracture morphology of the tensile specimens were investigated with SEM and metallurgical analysis, and the static tensile plastic deformation mechanism was researched.
由于材料在半固态下具有特殊性质,开展其变形行为、变形机理和组织演化等方面的研究显得尤为重要。
It is important to study deformation behavior, deformation mechanism and microstructure evolution of semi-solid alloys because the semi-solid alloy has special characterization.
利用热模拟压缩变形实验研究了Q 235碳素钢多道次热变形及后续处理过程的组织演变规律。
The microstructure evolution of Q235 plain carbon steel in multi-pass hot deformation was investigated by means of hot compression simulation.
结果表明:增加冷却速率、预变形处理和晶粒细化有利于初始凝固组织中存在的非平衡组织的分散细化。
The results show that, increasing cooling rate, pre-deformation and grain refinement are useful for spreading of the non-equilibrium microstructure around the primary grains.
用实验方法研究了中碳钢两相组织在等通道角挤压过程中的强烈塑性变形行为和组织演化过程。
Severe plastic deforming behavior and microstructure evolution of two phases in medium-carbon steel during equal channel angular pressing (ECAP) were investigated by experimental method.
铸轧组织的形成主要是变形作用于未凝固的液相,引起质量和热量的分布状态发生改变所致。
The formation of roll-casting microstructure is mainly attributed to the deformation of un-solidified liquid phase, the varied distribution of mass and heat.
外科手术可能通过切除异常的平滑肌组织变形和阻断神经支配来缓解疼痛。
Surgery may relieve the pain associated with endometriosis by removal of ectopic smooth muscle metaplasia and interception of innervation.
利用实验数据建立了合金的热加工图和热激活能图,对变形过程中组织演化进行了研究。
The processing map and activation energy map of the alloy were established by using tested data, and microstructure evolution of deformed samples was also examined.
等径弯曲通道变形(简称ECAP)具有获得超细晶组织和改善力学性能的潜力。
The equal-channel angular pressing (ECAP) had achieved the potential for obtaining ultra-fine grain and improving mechanical properties.
另一方面可以使材料产生较大的塑性变形,改善材料的内部组织,获得亚微米级甚至纳米级块体材料。
On the other hand may cause the material to have the big plastic deformation, improving material tissues, obtaining the submicron even nanometer bulk materials.
注意梗塞组织的肿胀和周围组织的变形。
Notice the swelling of infarcted tissue and the distortion of surrounding tissue.
本文通过对软组织生物力学特性的分析,将粘弹性模型应用于手术仿真中软组织变形的研究。
Through analysis of biomechanics property of soft tissue, this paper applies the viscoelastic model in the study of soft tissue deformation in surgery simulation.
将电场处理技术应用于GH4199合金,研究电场对该合金组织和变形行为的影响。
The effects of electric field treatment on the microstructure and deformation behavior of GH4199 superalloy were studied.
目的建立人体正中矢状平面头部组织的平面应变模型,探讨脑组织变形与大脑损伤间的关系。
Objective To establish the plane strain model of brain tissues on mid-sagittal plane and discuss the relation between the brain tissue deformation and brain injury.
应变局部化是加载过程岩样内部变形自组织的结果。
Strain localization of rock sample in uniaxial compression is the result of self-organization of deformation during loading.
结果表明,高能喷丸后其表层组织发生严重塑性变形并实现组织纳米化,是提高弯曲疲劳寿命的主要原因。
The result indicates that the improvement of the fatigue limit is due to the nano-crystallization and severe plastic deformation in the surface layer induced by high-energy shot peening.
研究了高强度钨合金材料大变形量锻造后的扫描断口,并结合力学性能变化规律分析了大变形对材料组织和性能的影响。
In this paper, after large deformation, scanning fractograph of tungsten alloys have been studied, and the influence of large deformation level on microstructure and properties has been analysed.
但是,在研究变形程度对金属组织和性能的影响时,习惯上主要考虑了线应变,而未考虑切应变。
But conventionally, strains (tensile and compressive strains), not shear strains, are taken into consideration when the influence of deformability on metal structure and behaviours is studied.
但是,在研究变形程度对金属组织和性能的影响时,习惯上主要考虑了线应变,而未考虑切应变。
But conventionally, strains (tensile and compressive strains), not shear strains, are taken into consideration when the influence of deformability on metal structure and behaviours is studied.
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