分析了亚共晶高铬铸铁半固态浆料进行流变挤压成形后挤压件的力学性能。
The mechanical property of the hypoeutectic high chromium cast iron extrusion samples was analyzed after extruded by semi-solid rheocasting forming.
研究了浇注温度、搅拌功率和搅拌时间对A356铝合金的半固态浆料的影响。
It is found that the prepared A356 al alloy semi-solid rheological slurry by the complex method can meet the requirements of rheological casting.
在半固态挤压成形过程中,随着成形温度的升高,镁合金半固态浆料的流变性改善。
With the rise of temperature in squeeze process, the Theological property of semi-solid magnesium alloy slurry was improved.
主要综述了高铬铸铁的半固态成形工艺、半固态浆料制备方法及对其后续工作的展望。
The paper mainly discusses the semisolid forming process of high-chromium cast iron, the making of semisolid size and the prospect of the technology.
这种制备方法将使浆料受到的搅拌力场和温度场更加均匀,从而得到优质的半固态浆料。
The preparation method leads the stirring force field and the temperature field of the slurry to be more uniform, thereby obtaining the high-quality semi-solid slurry.
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.
利用相似模拟的方法,进行了半固态浆料自搅拌坩埚的出流及压室充填状况的物理模拟实验研究。
Using the analogy simulation, an experimental study of physical simulation about semisolid slurry's out flow from the stirring crucible and the filling state of the die chamber is carried out.
其方法包 括:镁合金熔炼、精炼、制成镁合金半固态浆料、或镁合金半固态坯料、或镁合金铸锭。
The preparation process includes smelting and refining of magnesium alloys and the preparation of semisolid paste or semisolid billet or casting ingot of magnesium alloys.
利用复合工艺制备了A356铝合金半固态浆料,研究了半固态A356铝合金初生相形貌的分形特征。
Semi-solid slurry of A356 alloy is prepared by compound process, and the fractal characteristic of morphology in semi-solid primary phase is studied.
结果表明:在相同频率下,半固态浆料内的磁感应强度、电磁力的大小随电流强度的增加呈线性增加的关系;
The results show that the magnetic density and the Lorentz force of semisolid slurry increased with the enhancement of current strength at the same current frequency;
半固态金属加工技术被认为是21世纪最具有发展前途的近净成形技术之一,其关键环节是半固态浆料的制备。
Semisolid metal processing technology is regarded as one of the near-net shape forming technologies with wide application in 21 century, and the preparation of semi-solid slurry is the key technique.
实验表明:半固态浆料模锻成形的变形方式是不同的,不同的固相率下其固液两相的塑性流动机制也是不同的;
The experiment showed that the mode of deformation and the plastic flow mechanism of solid and liquid phase under different solid phase ratio were different;
本发明的方法和装置可满足短流程制备无氧化、质量良好的金属半固态浆料,同时可实现金属液的准确定量和温度控制。
The method and the device can realize short-flow preparation of non-oxidation and good-quality metal semisolid size, as well as the accurate quantification and temperature control of molten metal.
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...
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.
介绍了阻尼冷却管法制备a 356铝合金半固态浆料工艺的试验装置及其工艺流程,在不同浇注温度下进行了系列试验,并与冷却斜槽法进行了对比分析。
The A356 aluminum alloy semi-solid slurry by damper cooling tube method was prepared under different pouring temperature conditions, and was compared with ones by cooling slope method.
采用上述工艺参数对浆料进行半固态挤压成形,并对挤压件进行冲击韧性、硬度和冲击磨料磨损测试。
Use these technical parameters, carry the semisolid extrusion shaping to the slurry, then test the impact ductility, rigidity and impacting grinding abrasion.
采用半固态流变压铸成形工艺,研究了高剪切速率双螺杆机械搅拌制浆机中剪切速率对半固态镁合金浆料质量的影响规律。
The influence of shear rate of the twin-screw stirring mixer with high shear rate on the quality of semi-solid magnesium alloy slurry has been studied by rheo-diecasting process.
针对半固态成形,特别是触变锻造成形中浆料流动前沿开裂等质量问题,首次提出了流动前沿等体积流量的概念,并将其运用到半固态成形模具优化设计中。
With an aim to solve the long-term existing problem of the cracks in flow-front during thixo-forging, a new theory of constant volume flux of slurry was put forward in optimizing die design.
结果表明:等温剪切时,浆料稳态表观粘度随着剪切速率的增大而下降,半固态a 356铝合金具有明显的触变性。
The results show that the apparent viscosity of A356 alloy slurry in steady-state decreases with the shear rate increasing under isothermal shearing condition.
研究了半固态A356铝合金浆料的成形温度、压射比压和压射冲头速度对半固态A356铝合金流变压铸充填性的影响。
The effect of forming temperature, injection pressure and piston velocity on the filling ability of semi-solid A356 aluminum alloy slurry were investigated.
采用旋转磁场型电磁搅拌器对搅拌坩埚中的金属液体进行连续的电磁搅拌,制备出初生相或先析出相为球状或近球状的半固态流变浆料;
Rotational electromagnetic stirrer is employed for continuously stirring the liquid cast iron and steel to produce the rheological slurries suspended sphere or near sphere primary particles.
采用旋转磁场型电磁搅拌器对搅拌坩埚中的金属液体进行连续的电磁搅拌,制备出初生相或先析出相为球状或近球状的半固态流变浆料;
Rotational electromagnetic stirrer is employed for continuously stirring the liquid cast iron and steel to produce the rheological slurries suspended sphere or near sphere primary particles.
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