采用液相烧结法制备钨合金球,研究烧结温度对钨球微观组织的影响,讨论晶粒度和W-W邻接度对钨球压缩性能的影响.结果表明:烧结温度越高,晶粒度越大,W-W邻接度越小;在烧结温度为1 520 ℃时,直径8 mm的钨球具有最高的压溃载荷(80 kN).断口形貌观察表明,钨球压缩开裂机制与钨合金拉伸开裂机制基本一致.对钨球压缩行为的研究表明,钨颗粒的变形主要集中在钨球的中心部分.
参考文献
| [1] | 贾光辉;张国伟;裴思行.钨球对装甲钢板极限贯穿时能耗研究[J].弹箭与制导学报,1997(04):49-53. |
| [2] | 孙韬;冯顺山;裴思行 .钨球对多层LY12CZ硬铝间隔靶侵彻分析[J].兵工学报,1998,19(02):108-112. |
| [3] | 陈志斌;刘志刚.球形弹垂直碰撞金属靶板的实验研究[J].弹道学报,1991(01):66-70. |
| [4] | 米双山,张锡恩,陶贵明.钨球侵彻LY-12铝合金靶板的有限元分析[J].爆炸与冲击,2005(05):477-480. |
| [5] | 张兆森,熊湘君,王伏生,李雪.钨合金珠性能测试方法的探讨[J].矿冶工程,2002(01):96-97,100. |
| [6] | S. Eroglu;T. Baykara .Effects of powder mixing technique and tungsten powder size on the properties of tungsten heavy alloys[J].Journal of Materials Processing Technology,2000(2):288-292. |
| [7] | Soon HH.;Ryu HJ. .Combination of mechanical alloying and two-stage sintering of a 93W-5.6Ni-1.4Fe tungsten heavy alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):253-260. |
| [8] | Upadhyaya A. .Processing strategy for consolidating tungsten heavy alloys for ordnance applications[J].Materials Chemistry and Physics,2001(1/3):101-110. |
| [9] | Lin Z;Bao G .Damage in a tungsten composite due to debonding at W-W grain-boundaries[J].Acta Metallurgica Et Materialia,1995,43(05):1765-1774. |
| [10] | R. Gero;L. Borukhin;I. Pikus .Some structural effects of plastic deformation on tungsten heavy metal alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1):162-167. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%