同时,对新型装置制备半固态组织的机理进行了研究。
At the same time, the forming mechanism of semi-solid structure prepared by the novel machine was...
剪切速率越高,越容易获得细小、圆整和均匀分布的半固态组织。
The higher the shearing rate is, the finer and more homogeneous the spherical grains are.
结果表明:通过合理选择SIMA工艺参数,能够得到晶粒尺寸小且呈近球状的半固态组织;
Results showed that the fine and near-spheroidal microstructures can be obtained by properly choosing the SIMA processing parameters.
研究表明:适量提高剪切速率或降低温度,半固态组织的固相颗粒会变得细小、均匀和圆整。
The results showed that the solid particle became finer, more homogeneous and rounder with the decrease of temperature or the increase of shearing rate.
通过液淬法获得挤压比为40的AZ91D镁合金等温处理过程中的半固态组织,研究其球化机制。
Microstructural spheroidization of extruded AZ91D magnesium alloys with a high extrusion ratio of 40 was investigated at semisolid state.
采用倾斜板冷却体法对亚共晶高铬铸铁进行半固态成形,研究了倾斜板角度对亚共晶高铬铸铁半固态组织的影响规律。
Effects of inclined Angle on semi-solid microstructure of hypoeutectic high cr cast iron prepared by inclined plate cooling method were investigated.
研究了大体积az91 D镁合金在SIMA法制备半固态浆料过程中组织的演变规律,并对半固态组织球状化演变的影响因素进行了分析。
The microstructure evolution of AZ91D magnesium alloy semisolid slurry in the SIMA process was investigated, and the influencing factors on spherical microstructure evolution were analyzed.
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.
在试验范围内,随电磁搅拌电源频率的增大,半固态AZ91D合金组织中固相颗粒形态越来越圆整。
In the present study, higher power frequency makes the solid particle of the semi-solid AZ91D more spherical.
试验分析比较了上述三种铝合金的半固态非枝晶组织特点。
The characteristics of semi solid non dendritic microstructure of the three kinds of aluminum alloy were compared by experimental analysis.
研究了镁合金熔体在半固态温度区间进行不同扰动处理后铸件的组织特征。
The microstructure of magnesium alloy melt under different disturbed treatment in semisolid state was studied.
研究了未变质处理和变质处理的AZ 91d镁合金在半固态等温热处理过程中的组织演变,并对其组织演变机理进行了探讨。
The structure evolution of AZ91D magnesium alloy and the modified AZ91D magnesium alloy during semi solid isothermal heat treatment was studied, and its transformation mechanism was also discussed.
介绍了镁合金半固态触变成形技术中的三个关键技术:非枝晶组织半固态浆料的制备、坯料的二次加热、半固态触变压铸成形。
This paper introduced the key technology of SSP(semi-soild process) thixomolding of magnesium alloys : the preparation of non-dendritic structure, reheating, thixomolding.
研究结果表明:半固态挤压成形合金具有细小、均匀的微观组织和良好的耐磨性,磨损失效形式以滑动和磨粒磨损为主。
The results show that the alloy possesses fine and uniform microstructure and excellent wear resistance in which slide and abrasive wear are dominant in the wear behavior.
研究了控制熔体结晶法制备的半固态zl101合金的压缩变形行为以及显微组织的变化。
Compression experiments were carried out to investigate deformation behavior and microstructure of semi-solid ZL101 alloy fabricated by controlled crystallization technique.
该软件能分析半固态金属金相组织中的固相组分及晶粒尺寸。
The software can be used for analyzing solid fraction and grain size in microstructure of semi solid metal.
结果发现:稀土显著细化了半固态铝合金的球形晶粒组织,并提高了球形晶粒的圆整度和均匀性。
The experimental result shows that re can refine the globular grains of semisolid Al-alloy remarkably, improve the roundness and uniformity of globular grains.
冷却斜板铸造法是实现半固态铸造成形的一种简便而有效的方法,可以以较低的成本生产具有细小球晶组织的铸件。
The cooling slope casting is a branch of semi-solid casting technique, and it is also a simple and effective method to produce castings with fine globular microstructure at low cost.
采用稀土处理ZL 104铝合金,研究了稀土对铝合金半固态重熔加热过程中组织变化的影响。
Al-alloy ZL104 was treated with rare earth, and the effects of re on the structure of semisolid Al-alloy during reheating were investigated.
研究了AZ61镁合金在应力诱发熔体激活法(SIMA)制备半固态坯料过程中预变形量、等温温度和保温时间对其组织的影响。
The microstructure of AZ61 magnesium alloy by strain-induced melt activation (SIMA) process was studied to reveal the effects of prior compressive deformation, isothermal temperature and holding time.
通过磁路半集总参数分析,提出了用旋转永磁体法制备非枝晶组织半固态浆料的磁路设计原则。
A principle of the magnetic circle designing of rotary magnetic method used in making semisolid slurry with non dendritic structure is analysed by the semi lumped factor method.
研究了半固态加工对材料的组织与性能的影响及与固态塑性成形的区别。
The influences of semisolid forming on the materials microstructures and properties, and the difference between semisolid forming and solid plasticity forming have been studied.
流变压铸试片的组织分布很均匀,利于获得高质量的半固态a 356合金压铸件。
The billets with uniformly distributed microstructure in rheo-casting are beneficial to obtaining the A356 alloy die castings with perfect quality.
对在两相区铸造进行半固态制浆所得az91 D镁合金坯料的部分重熔工艺条件及组织演变进行了研究。
The microstructure evolution and partially remelting processing of two-phase-region casting AZ91D magnesium alloy ingots were investigated.
通过研究定量金相技术为半固态微观组织的固相率,晶粒大小,晶粒尺寸分布和形状分布的图像处理提供了理论依据和计算方法。
The paper has provided theoretical basis and computation method of the four measuring items of microstructure for digital image processing by studying quantitative metallography.
这主要是由于半固态压铸件比液压件具有更加致密 ,且为球状的非树枝晶组织。
The ageing strengthening of semi solid die castings is more significant than that of liquid die castings for …
试验证明,模糊控制技术的应用提高了该装置的温度控制效果,实现了良好稳定的铝金属半固态浆料微观组织控制作用。
The practical application verifies that fuzzy control can improve the temperature-control efficiency of the apparatus, realizing the ideal control for microstructure of semis...
与液态压铸相比,半固态流变压铸可改善铸件的微观组织。
Compared to the conventional casting, the semi-solid rheological casting can improve the microstructure of the cast.
与液态压铸相比,半固态流变压铸可改善铸件的微观组织。
Compared to the conventional casting, the semi-solid rheological casting can improve the microstructure of the cast.
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