| 1. | Preparation for foil material of new nickel matrix alloy 新型高电阻率镍基合金箔材研制 |
| 2. | A better strengthening effect on am50 by adding re has a relation to the content of zn in the matrix alloy 稀土对am50合金力学性能改善的效果硕士学位论文要比azgl好,这与基体合金中zn的含量有关。 |
| 3. | Microscopic analysis of the abrasion surface indicated that the wear mechanism of composites and matrix alloy included sticking abrasion and grindrng - particle abrasion on the materials 磨损表面微观分析表明,复合材料的磨损过程是粘着磨损和磨粒磨损两种机制共同作用的结果。 |
| 4. | The hardness of the parts made of composits was higher than that of the parts made of the matrix alloys . but the hardness of both kinds was higher than their ingots respectively 复合材料压铸件的布氏硬度比基体合金压铸件的布氏硬度高,两类压铸件的布氏硬度分别高于相应铸锭的布氏硬度。 |
| 5. | The composite containing 8vol % sic particles and the matrix alloy were die - cast into parts and particles reinforced aluminum matrix composites parts were first successfully manufactured by die - casting in domestic 本文还对复合材料进行了压铸试验,成功制备了国内首批sic颗粒增强铝基复合材料的压铸件。 |
| 6. | Based on the literature analysis of al matrix in - situ composites by reaction synthesis , it is found that in - situ reaction synthesis processed can ameliorate wettability between reinforcement phase and al matrix alloys and strengthen interfacial bonding and improve mechanical properties of al matrix composites 对反应生成的原位铝基复合材料的研究表明,原位反应合成技术可以改善强化相与基体铝合金之间的润湿性,强化界面连接,提高材料的综合机械性能。 |
| 7. | The high - temperature properties of ti3al matrix alloy can satisfy the request of the exit temperature of the areoengine compress . but the room temperature plasticity of ti3al matrix alloy is very low , hard to shape , and manufacture ' s cost is very expensive Ti _ 3al基合金高的高温性能可以满足飞机发动机压气机出口温度的要求,但由于ti _ 3al基合金室温塑性差,成形困难,制造成本高;而tc11两相钛合金可以在500以下温度长时间工作,用于压气机盘已比较成熟。 |
| 8. | The results showed that sic particles dispersed uniformly in the composites , that the composites " hardness increased with the increasing volume fraction of sic particles , and that the composites had the outstanding wear resistance properties that were superior to the matrix alloy 结果表明, sic颗粒在复合材料中分布均匀;复合材料的硬度随sic颗粒体积含量的增加而增加,且比基体合金的硬度高; sic颗粒增强铝基复合材料具有优良的耐磨性能,且优于基体合金。 |
| 9. | What ' s more , the application of tc11 two phase alloys to the compress disk of areoengine alredy is relatively mature , and tc11 alloy may work safely for very long time below 500 c . ti3al matrix alloy and ( a + b ) two phase alloy is connected by weld . the request of the temperature and stress can be satisfied by dual alloy disk with isothermal forged ( or hot die forging ) 选用ti _ 3al基合金tac - 1b和tc11两相钛合金用焊接工艺连接起来,通过热模锻或等温锻锻造和不同的变形热处理制度,制造出双合金盘可以满足温度、应力对盘件的要求。 |
| 10. | The results of the hardness test showed the composites " hardness increased with the increasing volume fraction of sic particles . results of the wear tests showed the composites had the outstanding wear resistance properties , especially in lubricated sliding case , the wear resistance properties of the composites were superior to the matrix alloy over one or two orders of magnitude 结果表明,复合材料铸锭中, sic颗粒分布均匀;材料的硬度随sic颗粒体积含量的增加而增加; sic颗粒增强铝基复合材料具有优良的耐磨性能,在油润滑条件下,复合材料的耐磨性能比基体合金高一至两个数量级。 |