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Advances in Metallic Biomaterials: Processing and by Mitsuo Niinomi, Takayuki Narushima, Masaaki Nakai PDF

By Mitsuo Niinomi, Takayuki Narushima, Masaaki Nakai

ISBN-10: 3662468417

ISBN-13: 9783662468418

ISBN-10: 3662468425

ISBN-13: 9783662468425

This e-book covers the most recent advances in processing strategies for generating metal biomaterial implants. It additionally discusses contemporary advancements in floor transformations utilizing bioactive ceramics and blood-compatible polymers, in addition to the adhesive power of bioactive floor layers, ahead of introducing the sensible functions of steel biomaterials within the fields of surgical procedure and dentistry. As such, the publication presents an important reference advisor for researchers, graduate scholars and clinicians operating within the fields of fabrics, surgical procedure, dentistry, and mechanics.

Mitsuo Niinomi, PhD, D.D.Sc., is a Professor on the Institute for fabrics examine, Tohoku collage, Japan

Takayuki Narushima, PhD, is a Professor on the division of fabrics Processing, Tohoku collage, Japan

Masaaki Nakai, PhD, is an affiliate Professor on the Institute for fabrics examine, Tohoku college, Japan

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Additional info for Advances in Metallic Biomaterials: Processing and Applications

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However, they were improved by prolonged sintering time and higher sintering temperature or using a small particle size powder [17]. 2. 85 mass% O, respectively. 2, there is a tendency for the tensile strength of sintered compact to decrease with increasing oxygen content. 36 20 Elongation e (%) Fig. 6 Effect of oxygen content on the elongation of Ti-6Al-4V alloy compacts sintered under various conditions with various mixed or Ti-6Al-4V alloy powders H. Miura et al. 6 shows the effect of oxygen content on the elongation of sintered Ti-6Al-4V alloy compacts using various mixed powders or Ti-6Al-4V alloy powder.

The microstructures of all sintered compacts consist of acicular alpha and intergranular beta phases. The acicular alpha phases become longer and coarser with increasing sintering temperature, which means that the grain size of prior beta was so large for the compacts sintered above 1,250  C. On the other hand, the sintered compacts using a mixture of Ti, Nb, and coarse Al powders showed many large pores in the microstructure at all sintering temperature. These pores are considered to be the result of the dissolution of Al particles during sintering steps, which also lead to low relative density and poor tensile properties.

5. The TiH2 powder is more cost-effective compared with gas-atomized Ti powder, which should reduce raw material costs [12]. The fine Al-40V powder shows higher oxygen content than the other Al-40V powders. 6 ks by rotating in an argon gas-filled pot mill. 1 ks. The binder loading was 35 vol%, and it increased with increasing TiH2 powder content because of its irregular shape and low density. The compounds obtained were crushed and screened from 2 to 8 mm diameter to prepare feedstocks for injection molding.

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Advances in Metallic Biomaterials: Processing and Applications by Mitsuo Niinomi, Takayuki Narushima, Masaaki Nakai


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