Wear resistivity of super-precision microgear made of Ni-based metallic glass

Mamoru Ishida; Hideki Takeda; Nobuyuki Nishiyama; Kazuhiko Kita; Yukiharu Shimizu; Yasunori Saotome; Akihisa Inoue

doi:10.1016/j.msea.2006.02.300

Wear resistivity of super-precision microgear made of Ni-based metallic glass

Mamoru Ishida, Hideki Takeda, Nobuyuki Nishiyama, Kazuhiko Kita, Yukiharu Shimizu, Yasunori Saotome, Akihisa Inoue

Institute for Materials Research (IMR)

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

A microgeared motor with a diameter of 2.4 mm was constructed using a Ni-based (Ni₅₃Nb₂₀Ti₁₀Zr₈Co₆Cu₃, numbers indicate at.%) metallic glass (MG). The durability of the geared motor was improved due to superior wear resistivity of the MG. In order to clarify the superior wear resistivity of the Ni-based MG, simplified sliding-wear and rolling-wear tests were performed. The wear loss of the Ni-based MG under sliding-wear condition was larger than that of SK-steel, while the Ni-based MG exhibits superior wear resistance under rolling-wear condition. It is therefore concluded that better wear resistivity can be obtained under rolling condition which changes contact surface continuously. Wear mechanisms of MG and steel are compared and discussed.

Original language	English
Pages (from-to)	149-154
Number of pages	6
Journal	Materials Science and Engineering A
Volume	448-451
DOIs	https://doi.org/10.1016/j.msea.2006.02.300
Publication status	Published - 2007 Mar 25

Keywords

Bulk metallic glass
Microgear
Rolling
Sliding
Wear resistivity

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Wear resistivity of super-precision microgear made of Ni-based metallic glass",

abstract = "A microgeared motor with a diameter of 2.4 mm was constructed using a Ni-based (Ni53Nb20Ti10Zr8Co6Cu3, numbers indicate at.%) metallic glass (MG). The durability of the geared motor was improved due to superior wear resistivity of the MG. In order to clarify the superior wear resistivity of the Ni-based MG, simplified sliding-wear and rolling-wear tests were performed. The wear loss of the Ni-based MG under sliding-wear condition was larger than that of SK-steel, while the Ni-based MG exhibits superior wear resistance under rolling-wear condition. It is therefore concluded that better wear resistivity can be obtained under rolling condition which changes contact surface continuously. Wear mechanisms of MG and steel are compared and discussed.",

keywords = "Bulk metallic glass, Microgear, Rolling, Sliding, Wear resistivity",

author = "Mamoru Ishida and Hideki Takeda and Nobuyuki Nishiyama and Kazuhiko Kita and Yukiharu Shimizu and Yasunori Saotome and Akihisa Inoue",

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doi = "10.1016/j.msea.2006.02.300",

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T1 - Wear resistivity of super-precision microgear made of Ni-based metallic glass

AU - Ishida, Mamoru

AU - Takeda, Hideki

AU - Nishiyama, Nobuyuki

AU - Kita, Kazuhiko

AU - Shimizu, Yukiharu

AU - Saotome, Yasunori

AU - Inoue, Akihisa

PY - 2007/3/25

Y1 - 2007/3/25

N2 - A microgeared motor with a diameter of 2.4 mm was constructed using a Ni-based (Ni53Nb20Ti10Zr8Co6Cu3, numbers indicate at.%) metallic glass (MG). The durability of the geared motor was improved due to superior wear resistivity of the MG. In order to clarify the superior wear resistivity of the Ni-based MG, simplified sliding-wear and rolling-wear tests were performed. The wear loss of the Ni-based MG under sliding-wear condition was larger than that of SK-steel, while the Ni-based MG exhibits superior wear resistance under rolling-wear condition. It is therefore concluded that better wear resistivity can be obtained under rolling condition which changes contact surface continuously. Wear mechanisms of MG and steel are compared and discussed.

AB - A microgeared motor with a diameter of 2.4 mm was constructed using a Ni-based (Ni53Nb20Ti10Zr8Co6Cu3, numbers indicate at.%) metallic glass (MG). The durability of the geared motor was improved due to superior wear resistivity of the MG. In order to clarify the superior wear resistivity of the Ni-based MG, simplified sliding-wear and rolling-wear tests were performed. The wear loss of the Ni-based MG under sliding-wear condition was larger than that of SK-steel, while the Ni-based MG exhibits superior wear resistance under rolling-wear condition. It is therefore concluded that better wear resistivity can be obtained under rolling condition which changes contact surface continuously. Wear mechanisms of MG and steel are compared and discussed.

KW - Bulk metallic glass

KW - Microgear

KW - Rolling

KW - Sliding

KW - Wear resistivity

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