Grindability of dental magnetic alloys

Eisei Hayashi; Masafumi Kikuchi; Osamu Okuno; Kohei Kimura

doi:10.4012/dmj.24.163

Grindability of dental magnetic alloys

Eisei Hayashi, Masafumi Kikuchi, Osamu Okuno, Kohei Kimura

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

In this study, the grindability of cast magnetic alloys (Fe-Pt-Nb magnetic alloy and magnetic stainless steel) was evaluated and compared with that of conventional dental casting alloys (Ag-Pd-Au alloy, Type 4 gold alloy, and cobalt-chromium alloy). Grindability was evaluated in terms of grinding rate (i.e., volume of metal removed per minute) and grinding ratio (i.e., volume ratio of metal removed compared to wheel material lost). Solution treated Fe-Pt-Nb magnetic alloy had a significantly higher grinding rate than the aged one at a grinding speed of 750-1500 m·min^-1. At 500 m·min^-1, there were no significant differences in grinding rate between solution treated and aged Fe-Pt-Nb magnetic alloys. At a lower speed of 500 m·min^-1 or 750 m·min^-1, it was found that the grinding rates of aged Fe-Pt-Nb magnetic alloy and stainless steel were higher than those of conventional casting alloys.

Original language	English
Pages (from-to)	163-171
Number of pages	9
Journal	Dental materials journal
Volume	24
Issue number	2
DOIs	https://doi.org/10.4012/dmj.24.163
Publication status	Published - 2005 Jun

Keywords

Fe-Pt-Nb magnetic alloy
Grindability
Magnetic stainless steel

ASJC Scopus subject areas

Ceramics and Composites
Dentistry(all)

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10.4012/dmj.24.163

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title = "Grindability of dental magnetic alloys",

abstract = "In this study, the grindability of cast magnetic alloys (Fe-Pt-Nb magnetic alloy and magnetic stainless steel) was evaluated and compared with that of conventional dental casting alloys (Ag-Pd-Au alloy, Type 4 gold alloy, and cobalt-chromium alloy). Grindability was evaluated in terms of grinding rate (i.e., volume of metal removed per minute) and grinding ratio (i.e., volume ratio of metal removed compared to wheel material lost). Solution treated Fe-Pt-Nb magnetic alloy had a significantly higher grinding rate than the aged one at a grinding speed of 750-1500 m·min-1. At 500 m·min-1, there were no significant differences in grinding rate between solution treated and aged Fe-Pt-Nb magnetic alloys. At a lower speed of 500 m·min-1 or 750 m·min-1, it was found that the grinding rates of aged Fe-Pt-Nb magnetic alloy and stainless steel were higher than those of conventional casting alloys.",

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author = "Eisei Hayashi and Masafumi Kikuchi and Osamu Okuno and Kohei Kimura",

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AU - Hayashi, Eisei

AU - Kikuchi, Masafumi

AU - Okuno, Osamu

AU - Kimura, Kohei

PY - 2005/6

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N2 - In this study, the grindability of cast magnetic alloys (Fe-Pt-Nb magnetic alloy and magnetic stainless steel) was evaluated and compared with that of conventional dental casting alloys (Ag-Pd-Au alloy, Type 4 gold alloy, and cobalt-chromium alloy). Grindability was evaluated in terms of grinding rate (i.e., volume of metal removed per minute) and grinding ratio (i.e., volume ratio of metal removed compared to wheel material lost). Solution treated Fe-Pt-Nb magnetic alloy had a significantly higher grinding rate than the aged one at a grinding speed of 750-1500 m·min-1. At 500 m·min-1, there were no significant differences in grinding rate between solution treated and aged Fe-Pt-Nb magnetic alloys. At a lower speed of 500 m·min-1 or 750 m·min-1, it was found that the grinding rates of aged Fe-Pt-Nb magnetic alloy and stainless steel were higher than those of conventional casting alloys.

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