AdvancedSearch
Li Yuanxi. GRANULATlON PROCESS IN MAKING Ti-32Mo POROUS MATERIALS[J]. Powder Metallurgy Technology, 1989, 7(1): 10-13.
Citation: Li Yuanxi. GRANULATlON PROCESS IN MAKING Ti-32Mo POROUS MATERIALS[J]. Powder Metallurgy Technology, 1989, 7(1): 10-13.

GRANULATlON PROCESS IN MAKING Ti-32Mo POROUS MATERIALS

More Information
  • Available Online: August 22, 2021
  • The granulation process in Ti-32Mo porous materials made by P/M elements mixing method was described in the paper. In order to obtain excellent filtration properties of Ti-32Mo porous material made from fine Ti and Mo powder, a new granulation process was put forward.The Ti and Mo powders in proportion of 68:32 were well mined and followed by adding a litlle alcohol and mixed homogeneously.The mixed powders were rolled into green strip the thickness of which is lmm by using φ200 roll mill.The green strip was presintered in the vacuum furnace at 500~550℃ for 1 hour.Then the presintered strip was pulverized and classified.The presintered granular powder was forthes sintered in vacuum furnace at 1050℃ for 3 hours and then crashed and classified. The granular powder was used for making Ti-32Mo porous material.The granular particales obtained by using above new process possess enough strength, so that they will not be crushed and will remain their original shape and size during the forming process.The apparent density of granular powdes is 1.62~1.68 g/cm3 and the flow rate is 54~66.8 s/50g. Results obtained from investigation show that the Ti-32Mo alloy sintered filters made by this process have an improved air permeability coefficient which is three times higher of filters which were only sintered at low temperature in vacuum and higher than that of filters made by sponge Ti powder under the condition of same pore size, and even one time higher under the condition of big pore size.This granulation process can also be widely used for producing P/M porous materials by using other fine powders, such as w, Mo, Ti, Zr, etc.
  • Related Articles

    [1]MU Jianghan, LIU Shumei, LI Dajie, YANG Hangzhou, ZHOU Haitao. Deformation of Fe2Ni prepared by metal powder injection molding[J]. Powder Metallurgy Technology. DOI: 10.19591/j.cnki.cn11-1974/tf.2023070001;https://pmt.ustb.edu.cn
    [2]HOU Cheng-long, GUO Jun-qing, CHEN Fu-xiao, HUANG Tao. Metal powder injection molding technology and numerical simulation[J]. Powder Metallurgy Technology, 2022, 40(1): 72-79. DOI: 10.19591/j.cnki.cn11-1974/tf.2020120007
    [3]SUN Si-heng, SUN Yan, JIA Cun-feng, WANG Hui-jie, FANG Yun-feng, PANG Lei. Study on the explosion sensitivity of metal powders used in additive manufacturing[J]. Powder Metallurgy Technology, 2020, 38(4): 249-256. DOI: 10.19591/j.cnki.cn11-1974/tf.2020010009
    [4]ZHUANG Tian-ya, ZHANG Ji-liang, WANG Fei, ZHANG Sai-sai, HUANG Yi-bin. Research progress on the microwave sintering mechanism of metal powders[J]. Powder Metallurgy Technology, 2019, 37(5): 392-398. DOI: 10.19591/j.cnki.cn11-1974/tf.2019.05.011
    [5]LIN Li, LIU Jun, ZHOU Chun, HU Hai-feng. Optimization analysis of die mass and particle model in metal powder impact compaction[J]. Powder Metallurgy Technology, 2018, 36(3): 182-189. DOI: 10.19591/j.cnki.cn11-1974/tf.2018.03.004
    [6]Xiang Qingchun, Zhou Bide, Li Rongde. DEVELOPMENTS OF RAPID SOLIDIFICATION TECHNIQUES FOR METAL POWDER PRODUCTION[J]. Powder Metallurgy Technology, 2000, 18(4): 283-291.
    [7]Li Mingyi, Guo Shiju, Kang Zhijun, Lin Tao. WARM COMPACTION BEHAVIOR OF VARIOUS METAL POWDERS[J]. Powder Metallurgy Technology, 2000, 18(4): 261-264.
    [8]Qu Xuanhui, Yan Hansong, Huang Baiyun. Development of Binders for Metal Powder Injection Molding[J]. Powder Metallurgy Technology, 1997, 15(1): 61-65.
    [9]Li Qingquan, Ouyang Tong, Ma Runhai, Tong Lirong, Han Yanliang, Lin Gang. Research of Producing procedure of Fine Metal Powder by gas Atomization[J]. Powder Metallurgy Technology, 1996, 14(3): 181-188.
    [10]Dong Jianzhong. STUDY OF BAKING METAL POWDER METHODS[J]. Powder Metallurgy Technology, 1990, 8(4): 213-215.

Catalog

    Article Metrics

    Article views (171) PDF downloads (5) Cited by()
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return