A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
MOLD FOR ULTRA-HIGH PRESSURE GENERATOR
To provide a mold for an ultra-high pressure generator that has a long life even when used under ultra-high pressure.SOLUTION: The present invention provides a mold for an ultra-high pressure generator made of cemented carbide, wherein the cemented carbide comprises a first phase made of a plurality of tungsten carbide particles and a second phase containing cobalt, the Vickers hardness of the cemented carbide is 2000 Hv or greater, the deflective strength of the cemented carbide is 2.3 GPa or greater, the mold for an ultra-high pressure generator has a truncation surface 2, and the compressive residual stress of the truncation surface 2 is 1.50 GPa or greater.SELECTED DRAWING: Figure 1
【課題】超高圧下での使用においても長い寿命を有する超高圧発生装置用金型を提供する。【解決手段】超硬合金からなる超高圧発生装置用金型であって、前記超硬合金は、複数の炭化タングステン粒子からなる第１相と、コバルトを含む第２相と、を備え、前記超硬合金のビッカース硬度は、２０００Ｈｖ以上であり、前記超硬合金の抗折強度は、２．３ＧＰａ以上であり、前記超高圧発生装置用金型はトランケーション面２を有し、前記トランケーション面２の圧縮残留応力は、１．５０ＧＰａ以上である、超高圧発生装置用金型である。【選択図】図１
MOLD FOR ULTRA-HIGH PRESSURE GENERATOR
To provide a mold for an ultra-high pressure generator that has a long life even when used under ultra-high pressure.SOLUTION: The present invention provides a mold for an ultra-high pressure generator made of cemented carbide, wherein the cemented carbide comprises a first phase made of a plurality of tungsten carbide particles and a second phase containing cobalt, the Vickers hardness of the cemented carbide is 2000 Hv or greater, the deflective strength of the cemented carbide is 2.3 GPa or greater, the mold for an ultra-high pressure generator has a truncation surface 2, and the compressive residual stress of the truncation surface 2 is 1.50 GPa or greater.SELECTED DRAWING: Figure 1
【課題】超高圧下での使用においても長い寿命を有する超高圧発生装置用金型を提供する。【解決手段】超硬合金からなる超高圧発生装置用金型であって、前記超硬合金は、複数の炭化タングステン粒子からなる第１相と、コバルトを含む第２相と、を備え、前記超硬合金のビッカース硬度は、２０００Ｈｖ以上であり、前記超硬合金の抗折強度は、２．３ＧＰａ以上であり、前記超高圧発生装置用金型はトランケーション面２を有し、前記トランケーション面２の圧縮残留応力は、１．５０ＧＰａ以上である、超高圧発生装置用金型である。【選択図】図１
MOLD FOR ULTRA-HIGH PRESSURE GENERATOR
超高圧発生装置用金型
YAMANAKA SHUNSUKE (author) / YAMAMOTO EIJI (author) / HIROSE KAZUHIRO (author)
2023-12-12
Patent
Electronic Resource
Japanese
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