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单词 martensite
释义

Definition of martensite in English:

martensite

noun ˈmɑːtɪnzʌɪtˈmɑrtnˌsaɪt
mass nounMetallurgy
  • A hard and very brittle solid solution of carbon in iron that is the main constituent of hardened steel.

    〔冶〕马氏体

    Example sentencesExamples
    • With hardening of steels, by chilling after previous heating, the structure is converted from austenite to martensite.
    • The ability of steel to form martensite on quenching is referred to as the hardenability.
    • Trip steels have a microstructure with retained austenite, ferrite and martensite.
    • During this heat treatment all of the austenite transforms to martensite.
    • The martensite of quenched tool steel is exceedingly brittle and highly stressed.

Derivatives

  • martensitic

  • adjective
    Metallurgy
    • The martensitic stainless steels can be welded in the annealed or fully hardened condition, usually without preheat or postheat.
      Example sentencesExamples
      • Exceptions include highly alloyed ferritic stainless steels, some of the martensitic stainless steels, and a few of the free-machining grades.
      • The swirler is formed of a powder sintered compact of martensitic stainless steel having corrosion resistance and wear resistance.
      • The martensitic, age-hardenable martensitic and semi-finished grades are used for small forgings.
      • The martensitic stainless steels are hardenable by heat treatment and are magnetic.

Origin

Late 19th century: named after Adolf Martens (1850–1914), German metallurgist, + -ite1.

Definition of martensite in US English:

martensite

nounˈmärtnˌsītˈmɑrtnˌsaɪt
Metallurgy
  • A hard and very brittle solid solution of carbon in iron that is the main constituent of hardened steel.

    〔冶〕马氏体

    Example sentencesExamples
    • The martensite of quenched tool steel is exceedingly brittle and highly stressed.
    • During this heat treatment all of the austenite transforms to martensite.
    • With hardening of steels, by chilling after previous heating, the structure is converted from austenite to martensite.
    • Trip steels have a microstructure with retained austenite, ferrite and martensite.
    • The ability of steel to form martensite on quenching is referred to as the hardenability.

Origin

Late 19th century: named after Adolf Martens (1850–1914), German metallurgist, + -ite.

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更新时间:2025/6/19 4:27:46