directional solidification
[冶] 定向凝固
2026-05-06 02:00 浏览次数 23
[冶] 定向凝固
the no machining directional solidification hollow turbine blades, hollow guide vans and complex structure parts used in aero engine and gas turbine made by vacuum precision investment casting.
航空发动机、燃机等精铸真空无余量空心涡轮、导向叶片及复杂结构件。多种热处理炉上用料盘,夹具等耐热合金钢精铸件。
have multiple non-vacuum and vacuum-melting equipment, mainly to the vacuum melting, directional solidification technology and the overall fine-grained technology.
拥有多台非真空和真空熔炼设备,以真空熔炼为主,有定向凝固技术和整体细晶技术。
results show that directional solidification cladding layers of 316l stainless steel with fine crystallography orientation under the processing parameters mentioned in this paper were obtained.
结果表明在本文的实验条件下,利用316l不锈钢材料可以得到晶体取向良好的定向凝固涂覆层。
with directional solidification liquid quenching and definite quantity analysis of metallographic, this paper studied the micro solidification characteristic of za28.4 alloy.
通过定向凝固液淬试验和金相定量分析,研究了二元za2 8.4合金的微观凝固特性。
the invention discloses a technology for the directional solidification growth of polycrystalline silicon ingot, belonging to the preparation of semiconductor material silicon crystal.
一种定向凝固生长多晶硅锭工艺,本发明属于半导体材料硅晶体的制备。
in this paper, recent research on electromagnetic shaping and directional solidification of fe- and ni-base alloys is introduced.
介绍了铁、镍基合金等的无接触电磁约束成形定向凝固技术。
the result shows: the directional solidification structure has obvious orientation and the structures grow along with the draw direct.
试验结果表明:得到的定向凝固组织具有明显的方向性,其组织沿着拉伸方向生长;
directional solidification process is an important part that of the physical metallurgy of solar energy polysilicon.
定向凝固工艺是物理冶金法制备太阳能级多晶硅的一个重要环节。
in this study, through the impurity distribution, organization and resistivity analysis, it evaluates the directional solidification purification effect on the polysilicon in the round.
本实验通过对提纯后硅铸锭的杂质分布、组织及电阻率分析,系统评价了定向凝固方法对多晶硅提纯效果。
in order to obtain directional solidification sequence, the casting was divided into 4 positions to calculate the volume of the risers and the chills.
将铸件划分为4个补缩区域进行冒口设计,并配合冷铁使用来实现铸件的顺序凝固。
objectives to prepare oriented porous ceramics by directional solidification and freeze-drying method, the main preparation parameters that affect the properties of porous ceramics were investigated.
采用定向凝固和冷冻干燥法制备定向多孔陶瓷材料,考察主要制备参数对多孔陶瓷材料性能的影响。
directional solidification and single crystal will be the development direction of the casting microstructure simulation.
铸件微观组织模拟研究向定向凝固及单晶方面发展。
a self-made directional solidification furnace was used to fabricate high purity aluminum(hpa) ingots, and the morphology of grains was studied.
采用自制的定向凝固提纯炉定向制备了大直径高纯铝圆锭,并对其定向凝固组织中晶粒的生长状况进行了研究。
directional solidification could improve hot rolling formability of magnesium ingot effectively. the total deformation could reach 94% without cracking when hot rolling was held at 673k.
定向凝固工艺可有效提高镁合金铸锭的热轧成形能力,在轧制温度为673k的条件下进行热轧,总变形量可达94%以上而不出现裂纹。
some rules of computer numerical simulation for the directional solidification with steep temperature gradient have been found out.
本文探讨大温度梯度下铸件定向凝固过程数值模拟的一些规律性。
directional solidification technology is a technical course that use certain equipment to make directional structure material with excellent performance at determinate conditions.
定向凝固技术是指利用一定的设备,在一定的工艺条件下使材料的组织具有特殊取向从而获得优异性能的工艺过程。
an ybco sample with high critical current density or single crystal stracture, can be obtained by the directional solidification method.
采用定向凝固技术可获得高临界电流密度的ybco样品。
the principle, development and application of directional solidification technology in ultra-thick plate production are generally elaborated.
就定向凝固技术的原理、发展状况及其在特厚钢板生产中的应用作了综合阐述。
the relationship between the laser processing parameters and laser directional solidification morphology was analyzed by the model.
根据计算分析了激光工艺参数与激光定向凝固组织的关系。
the production process for making poly silicon mainly includes directional solidification and casting methods.
多晶硅锭的制备工艺主要包括定向凝固法及浇铸法。