粉末注射成型Ti6Al4V-HA复合材料植入体

IF 0.7 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES

Sains Malaysiana Pub Date : 2023-05-31 DOI:10.17576/jsm-2023-5205-17

Nurul Nadiah Mahmud, A. Sulong, K. Ameyama

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引用次数: 0

摘要

粉末注射成型（PIM）被广泛用于生产复杂形状的钛及其合金。通过将Ti6Al4V-HA粉末混合物（90∶10wt.%）与含有棕榈硬脂酸（PS）和低密度聚乙烯（LDPE）的粘合剂体系组合来生产63、64和66体积%的Ti6Al4V HA原料。粘合剂系统由60重量%的PS和40重量%的LDPE组成。所有粉末装载材料都被成功地注射成型为张力棒的形状。随后，所有粉末负载都在溶剂和热方法中成功地脱粘。基于SEM观察，66体积%的粉末负载表明粉末和粘合剂的均匀分布。因此，选择66体积%的粉末负载量在1300ºC下进行进一步的工艺烧结，并评估其弯曲强度。具有多孔结构的烧结Ti6Al4V HA具有11GPa的杨氏模量，在骨的杨氏模量（10至30GPa）内。本研究的结果表明，烧结的Ti6Al4V HA具有作为植入材料的潜力。

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Powder Injection Moulded Ti6Al4V-HA Composite for Implants

Powder injection moulding (PIM) is widely used to produce complex shapes of Titanium and its alloys. Ti6Al4V-HA feedstocks at 63, 64 and 66 vol.% were produced by combining a Ti6Al4V-HA powder mixture (90:10 wt.%) with a binder system containing palm stearin (PS) and low-density polyethylene (LDPE). Binder system consisted with 60 wt.% of PS and 40 wt.% of LDPE. All powder loading materials were successfully injection moulded into the shape of a tension bar. Following that, all powder loadings were successfully debound in solvent and thermal methods. Based on SEM observation that 66 vol.% powder loading demonstrated homogenized distribution of powder and binder. Hence, 66 vol.% powder loading was selected for further process sintering at 1300 ºC, and its bending strength was evaluated. Sintered Ti6Al4V-HA with porous structure has Young’s modulus of 11 GPa, within the Young modulus of bone (10 to 30 GPa). The results of this study indicate that sintered Ti6Al4V-HA has potential as an implant material.

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来源期刊

Sains Malaysiana MULTIDISCIPLINARY SCIENCES-

CiteScore

1.60

自引率

12.50%

发文量

196

审稿时长

3-6 weeks

期刊介绍： Sains Malaysiana is a refereed journal committed to the advancement of scholarly knowledge and research findings of the several branches of science and technology. It contains articles on Earth Sciences, Health Sciences, Life Sciences, Mathematical Sciences and Physical Sciences. The journal publishes articles, reviews, and research notes whose content and approach are of interest to a wide range of scholars. Sains Malaysiana is published by the UKM Press an its autonomous Editorial Board are drawn from the Faculty of Science and Technology, Universiti Kebangsaan Malaysia. In addition, distinguished scholars from local and foreign universities are appointed to serve as advisory board members and referees.