Mechanical Properties of Titanium Casting Obtained Using Short-time Cast Procedure

The purpose of this study was to investigate the mechanical properties of titanium casting obtained using short-time cast procedure. A commercial phosphate-bonded investment for titanium casting were used. And dumbbell-shaped specimens with φ 2 mm × 14 mm parallel portion were cast according to manu...

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Veröffentlicht in:Kōkūbyō Gakkai Zasshi JAPAN, 1998/09/30, Vol.65(3), pp.344-348
Hauptverfasser: Tonami, Ken-ichi, Ohtani, Tohru, Iwasaki, Naohiko, Motomura, Kazuo, Nakamura, Hideo, Takahashi, Hidekazu, Nishimura, Fumio
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container_end_page 348
container_issue 3
container_start_page 344
container_title Kōkūbyō Gakkai Zasshi
container_volume 65
creator Tonami, Ken-ichi
Ohtani, Tohru
Iwasaki, Naohiko
Motomura, Kazuo
Nakamura, Hideo
Takahashi, Hidekazu
Nishimura, Fumio
description The purpose of this study was to investigate the mechanical properties of titanium casting obtained using short-time cast procedure. A commercial phosphate-bonded investment for titanium casting were used. And dumbbell-shaped specimens with φ 2 mm × 14 mm parallel portion were cast according to manufacture instruction and by way of three different short-time cast procedures. Then, micro vickers hardness test and tensile test were performed with these specimens. In the hardness test, the micro vickers hardness of 50-250μm deep location from specimen surface was ranged from 192.8 to 259.0 Hv; there were significant difference among both the location factor and the casting procedure factor by the two-way ANOVA (p
doi_str_mv 10.5357/koubyou.65.344
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A commercial phosphate-bonded investment for titanium casting were used. And dumbbell-shaped specimens with φ 2 mm × 14 mm parallel portion were cast according to manufacture instruction and by way of three different short-time cast procedures. Then, micro vickers hardness test and tensile test were performed with these specimens. In the hardness test, the micro vickers hardness of 50-250μm deep location from specimen surface was ranged from 192.8 to 259.0 Hv; there were significant difference among both the location factor and the casting procedure factor by the two-way ANOVA (p&lt;0.05) . In the tensile test, tensile strength, yield strength, elastic modulus and elongation were obtained; these tensile properties of short time cast procedures were not significantly different from those of manufacture instruction. These results indicated that the short-time cast procedure for titanium casting was available in the point of mechanical properties. It was, however, not obvious that how the short-time cast procedures effected the dimensional accuracy of titanium casting. 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ispartof THE JOURNAL OF THE STOMATOLOGICAL SOCIETY,JAPAN, 1998/09/30, Vol.65(3), pp.344-348
issn 0300-9149
1884-5185
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subjects Dental Casting Technique
Dentistry
Hardness
Tensile Strength
Titanium
title Mechanical Properties of Titanium Casting Obtained Using Short-time Cast Procedure
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