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高能球
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  high energy ball
    Fe-6.5%Si alloy turned into a simple phase, supersaturated solid solution with the nanocrystalline structure, during high energy ball milling in argon shield;
    Fe-6.5%Si合金在氩气保护下高能球磨过程中成分稳定,球磨产物为纳米晶结构的过饱和固溶体;
    Characteristics of Cr and Al Powders by High Energy Ball Milling
    高能球磨金属铬、铝粉末的特征
短句来源
    Study on the Orthogonal tests of Tungsen & Iron Nano-meter Powder Preparation by High Energy Ball Milling
    高能球磨法制备钨、铁纳米粉的正交实验研究
短句来源
    REACTION OF Ti WITH BN DURING HIGH ENERGY BALL MILLING PROCESS
    高能球磨过程中Ti与BN的反应
短句来源
    Preparation of Ultra-fine Zr Powder by High Energy Ball Milling
    高能球磨法制备吸气材料用超细锆粉
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  “高能球”译为未确定词的双语例句
    Study on Temperature Effect during Highenergy Ball Milling
    高能球磨过程中的温度效应研究
短句来源
    The effect of high-energy ball-milling and grinding on the powder shape and size, microstructure and magnetic properties of Sm2Fe16Ti1Nx nitride prepared by HDDR was investigated.
    在用HDDR法制备Sm2Fe16Ti1Nx氮化物过程中,研究了高能球磨对氮化物粉末的形貌、物相结构及磁性能的影响。
    Diffusion reaction during high-energy ball milling
    高能球磨固态扩散反应研究
短句来源
    Characteristics of High Energy Milled W-Ni-Fe Nanocomposite Powders
    高能球磨合成W-Ni-Fe纳米复合粉末特性
短句来源
    Collision Behavior and Temperature Effect of SiC/6061Al during Highenergy Ballmilling(HEBM)
    高能球磨SiC/6061Al的碰撞行为及温度效应
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  high energy ball
Microwave permeability change of FeCo nanocrystalline during high energy ball milling
      
The microstructure and chemical bonds of β-C2S under the high energy ball grinding function
      
Preparation of MgTiO3 ceramics by high energy ball milling
      
Carbon microspheres produced by high energy ball milling of graphite powder
      
During high energy ball milling of graphite powder, carbon microspheres were produced from necklace-like carbon structures that were gradually peeled off and finally fractured into particles.
      
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Crystal size and microstrain caused by mechanical alloying on Fe_(70)B_(30) powder were studiedby X-ray diffractometry and transrnission electronmicroscopy. During the mechanical alloying, thewidth of the x-ray diffraction lines increases withball milling time , it is caused both by the reductionof crystal size and the increase of microstrain. Byanalysing the x-ray diffraction lines,we got theresults as following: the crystal size of Fe_(70)B_(30)powder decreases when increaseing milling time inthe case of mechanical...

Crystal size and microstrain caused by mechanical alloying on Fe_(70)B_(30) powder were studiedby X-ray diffractometry and transrnission electronmicroscopy. During the mechanical alloying, thewidth of the x-ray diffraction lines increases withball milling time , it is caused both by the reductionof crystal size and the increase of microstrain. Byanalysing the x-ray diffraction lines,we got theresults as following: the crystal size of Fe_(70)B_(30)powder decreases when increaseing milling time inthe case of mechanical alloying of Fe and B powdermixtures.The microstrain increase with milling timeat the early stage of milling and begain to decreaseafter 80 h milling. The grain size of Fe_(70)B_(30) powderafter 80h milling is about 5 nm which is determinedby the Scherrer formula.

用X射线和电镜研究了Fe_(70)B_(30)粉末经不同时间高能球磨后晶粒尺寸和微观应力的变化。在机械合金化过程中,粉末的X射线衍射谱的宽度随球磨时间的增加逐渐加宽,这是晶粒细化和内部微观应力共同作用的结果。X射线衍射结果表明:随着机械合金化的进行,粉末的晶粒尺寸逐渐减小,球磨初期晶粒尺寸下降较快,经15h球磨,晶粒尺寸为25nm,机械合金化进行到一定时间后晶粒尺寸下降缓慢,80h球磨后晶粒尺寸可达5nm。在机械合金化过程中球磨所造成的微观应变不大,球磨初期粉末的内应力随球磨时间增加而增加,当粉末粒子尺寸很小时,随球磨的进行粉末中的微观应变显著下降。

The powder mixtures of Ni and Al with compositions of Ni50 at.-% Al and Ni-25 at.-% Al as well as Ni_3Al alloy powder were milled in a Spex 8000 Mixer/Mill respectively.After 3 h of milling,Ni-50 at.-%Al mixture transforms into NiAl with grain size of about 5 nm,while after 5 h,Ni-25 at.-%Al mixture transforms into disordered metastable Ni solid solution.As to the Ni_3Al alloy powder,5 h milling makes its structure change from Ll_2-type intermetallic compound with long range order into fcc disordered solid solution;further...

The powder mixtures of Ni and Al with compositions of Ni50 at.-% Al and Ni-25 at.-% Al as well as Ni_3Al alloy powder were milled in a Spex 8000 Mixer/Mill respectively.After 3 h of milling,Ni-50 at.-%Al mixture transforms into NiAl with grain size of about 5 nm,while after 5 h,Ni-25 at.-%Al mixture transforms into disordered metastable Ni solid solution.As to the Ni_3Al alloy powder,5 h milling makes its structure change from Ll_2-type intermetallic compound with long range order into fcc disordered solid solution;further milling results in the formation of nanocrystalline structure.

用球磨机分别对Ni-50at.-%Al和Ni-25at.-%Al混合粉末进行机械合金化,并对Ni_3Al预合金粉末进行高能球磨,观察了粉末的金相组织,测定了粉末的硬度、平均直径和晶粒尺寸,并作了XRD物相分析结果表明,经3h研磨,Ni-50at.-%Al混合粉末变成NiAl金属间化合物,其晶粒直径约5nm;经5h机械球磨,Ni-25at.-%Al混合粉末成为无序的亚稳定Ni固溶体,而Ni_3Al预合金粉末由Ll_2型长程有序金属间化合物转变为fcc无序固溶体;球磨更长时间,则形成纳米晶.

In the present paper the mechanical alloying process of ZrO2-50mol%CaO ceramics powderhas been investigated. It has been found that the high energy ball milling can.greatly enhance the reaction speed of ZrO2 and CaO. The compound CaZrO3 has been formed by 120h milling. The alloyingmechanism of brittle ceramics has been discussed and the Compound powder formed by milling wasconsidered playing an important role in the process.

研究了ZrO_2-50mol%CaO陶瓷粉末的机械合金化过程,发现高能球磨可以极大地提高ZrO_2和CaO的反应速率。在本实验条件下,经120h球磨,生成CaZrO_3化合物。探讨了脆性陶瓷材料发生机械合金化的原因,提出了复合粒子合金化的机制。

 
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