Feedstock Evaluation of Synthesized Hydroxyapatite Powder with Palm Stearin Based Binder System

Subuki, Istikamah; Ali, Nurul Huda M.; Ismail, Muhammad Hussain

doi:10.1166/asl.2017.8249

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“…Typically, the MIM product are 95% to 98% dense, approaching wrought material properties. Besides that, the MIM products get a higher strength, good corrosion resistance, and improved magnetic properties compared to the conventional process [5][6]. Basically, metal injection molding (MIM) had four processing steps:…”

Section: Introductionmentioning

confidence: 99%

Sintered Strength of Ti-6Al-4V by Metal Injection Molding (MIM) using Palm Stearin Binder

Nor¹,

Husain²,

Ismail³

et al. 2019

JMechE

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Metal injection molding (MIM) is a metal working process used to compact Titanium, Ti-6Al-4V and the binder through injection moulding process. In this work, Titanium Ti-6Al-4V was mixed with palm stearin (PS) and polyethylene (PE) which act as a binder. Palm stearin (PS) is a potential binder system that can be used because it is inexpensive and highly available in Malaysia. Besides that, the application of MIM can reduce time and energy compared to the conventional process which high cost in production and difficulty of producing complex shape of materials. The green parts were then gone through of debinding process and sintering process. This project is to study the effect of the sintered Ti-Al-4V using palm stearin as a binder system. The properties of sintered specimen were investigated by physical properties such as its shrinkage and density. The average shrinkage of the sintered specimen was about 10.35% in length and 10.96% of width body of the specimen. Density of the sintered specimen was about 4.0343 g/cm3 and the tensile strength of the specimen was about 805.7 MPa.

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Section: Introductionmentioning

confidence: 99%