期刊文献+

钛合金粉末注射成形工艺参数的优化 被引量:6

Optimization of Titanium Alloy Injection Molding Process Parameters
下载PDF
导出
摘要 采用正交试验法系统研究了注射压力、注射温度、注射速度、模具温度及其交互作用对注射成形坯质量的影响.经过直观分析和方差分析,评价了各参数对生坯质量影响的显著程度,优化了注射成形参数.试验结果表明:注射压力、注射温度、模具温度及注射压力与注射温度的交互作用对生坯抗弯强度影响显著,注射压力、注射温度、注射速度及注射压力与模具温度的交互作用对生坯密度影响显著.注射压力增加,生坯密度和抗弯强度都增大;注射温度提高,生坯密度降低,注射温度在155~160℃之间时,生坯抗弯强度变化不大,超过160℃时抗弯强度明显降低.模具温度和注射速度分别为30℃和40%时,生坯密度和抗弯强度达到最大值.尺寸为6.38mm×6.38mm×48mm长方体生坯的最佳注射参数为:注射压力100MPa,注射温度160℃,注射速度60%,模具温度30℃. Effects of process parameters such as injection pressure, injection speed, injection temperature, die temperature and their interaction, on the density and strength of the as-molded specimens were systematically studied by using orthogonal arrays design and statistical analysis method. The notability of process parameters was estimated and process parameters were optimized. Results indicated that injection pressure, injection temperature and their interaction had remarkable effect on strength, however, injection pressure, injection temperature, injection speed and interaction of injection pressure and die temperature, had distinguished influence on density. The density and strength increased as injection pressure increased. The density decreased as injection temperature increased, but the strength nearly keep constant at 155-160°C, then decreased sharply beyond 160°C. The density and strength reached the best values when die temperature and injection speed are 30°C and 60% respectively. The optimized injection parameters for rectangular with a dimension of 6.38 mm × 6.38 mm × 48 mm are as followings: injection pressure 100 MPa, injection temperature 155°C, injection speed 60% and die temperature 30°C.
出处 《材料工程》 EI CAS CSCD 北大核心 2004年第11期32-36,共5页 Journal of Materials Engineering
关键词 粉末注射成形 正交试验 工艺参数 <Keyword>powder injection molding orthogonal arrays design process parameter
  • 相关文献

参考文献6

  • 1GERMAN R M, BOOKER P. Powder injection molding[J]. Applied Mechanics Reviews, 1991,44(8): 134.
  • 2ROSATO P V. Injection Molding Handbook [ M ]. New York: Van Nostrand Reinhold, 1984. 634 - 656.
  • 3LAWLEY ALAN, SWANSON ARMOUR. Powder injection molding[A]. Advances in Powder Metallurgy and Particulate Materials[C]. New Jersey: MPIF, 1993,5:237 - 256.
  • 4Qu Xuanhui, Li Yimin, Yue Hongsheng, Mao Jinying, Zhu Lei and Huang Baiyun State Key Laboratory for Powder Metallurgy, Central South University of Technology, Changsha 410083, P. R. China.NUMERICAL SIMULATION OF FEEDSTOCK MELT FILLING IN A CYLINDRICAL CAVITY WITH SOLIDIFICATION IN POWDER INJECTION MOLDING[J].中国有色金属学会会刊:英文版,1998,8(4):13-18. 被引量:9
  • 5DIHORU LUIZA V, SMITH LYNDON N, GERMAN R M. Experimental study and neural network modeling of the stability of powder injection molding feedstock[J]. Materials and Manufacturing Processes,2000,15(3) :419 - 438.
  • 6RICHARD T, DAEYONG LEE. Optimization of metal injection molding: experimental design [ J ]. The International Journal of Powder Metallurgy, 1990,26 (3): 233 - 242.

共引文献8

同被引文献85

引证文献6

二级引证文献16

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部