| 1. | The study of mechanical alloyed al1 - xfex
混合粉末的机械合金化 |
| 2. | The second step is to analyze with finite - element method
利用单一粉末材料的有限元解析法，也适用于混合粉末的有限元解析。 |
| 3. | The blended powder of nylon 12 and wollastonite was molded by selective laser sintering ( sls )
摘要将尼龙12与硅灰石的混合粉末进行选择性激光烧结成型。 |
| 4. | By using the ansys software , a finite element model which simulates a real sls process of a multi - component ni - cusn metal powder system was established to calculate the 3d transient temperature field
利用ansys有限元软件,建立了ni - cusn多组元混合粉末选择性激光烧结过程三维瞬态温度场分析模型。 |
| 5. | Mechanism of reactive ball milling was discussed . the resultants of ball milling , tib2 and mgo , were purified and cleaned with hydrochloric acid . components and microstructure of purified specimens were examined
采用盐酸对不同球磨时间得到的tib _ 2和mgo混合粉末进行了酸洗、提纯，检测了提纯后样品的成分和形貌。 |
| 6. | Based on the results of temperature field , a finite element model for analyzing the stress field in sls process of a multi - component metal powder system was established by using an indirect thermal - mechanical coupling method
基于温度场的计算结果,采用热力耦合方法,建立了ni - cusn多组元混合粉末选择性激光烧结过程应力应变场分析模型。 |
| 7. | To alleviate the defects in metallic sls , numerical and experimental studies were carried out detailed on the features of temperature field as well as thermal elastic - plastic stress and strain during metallic sls process
因此,本文针对ni - cu基多组元混合粉末选择性激光烧结温度和应力应变的变化规律和特点开展了系统深入的数值分析和试验研究。 |
| 8. | The preparation of porous ni - ti alloys by mechanical milling and powder metallurgy has been studied in this paper in order to reveal the phase transformation and densifying behaviors of different degree milled ti - 50 . 5at % ni powders during sintering
采用150r min和200r min两种转速来高能球磨近等原子比ni ， ti纯元素混合粉末，研磨直到非晶态为止。 |
| 9. | Moreover the effects of the temperature of molten copper and the content of al powder in the mixed - powder on microstructure and properties ( hardness , conductivity ) of the material were studied . the results indicated that : 1
本文采用反应铸造法制备了cu - al _ 2o _ 3复合材料，并分析讨论了熔液温度和混合粉末中al含量对制备cu - al _ 2o _ 3复合材料的性能(硬度、电导率)和组织的影响。 |
| 10. | After the cu - al mixed powder was milled 96h , the lattice constant of cu ( 111 ) plane became 0 . 3653nm , and the diffraction peaks of aluminum have disappeared completely , which showed that aluminum atoms have dissolved in crystal lattice of copper
当cu - al混合粉末球磨时间大于96h时， cu的( 111 )面的点阵常数变为0 . 3653nm ， al的衍射峰已完全消失。通过分析可知，经过96h的球磨， al原子已经完全吲溶于cu的晶格中。 |
