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JPS57104837A - Deciding method for creeping life of metal component - Google Patents

Deciding method for creeping life of metal component

Info

Publication number
JPS57104837A
JPS57104837A JP18132680A JP18132680A JPS57104837A JP S57104837 A JPS57104837 A JP S57104837A JP 18132680 A JP18132680 A JP 18132680A JP 18132680 A JP18132680 A JP 18132680A JP S57104837 A JPS57104837 A JP S57104837A
Authority
JP
Japan
Prior art keywords
creeping
life
time
relation
hardness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP18132680A
Other languages
Japanese (ja)
Inventor
Yoshio Nakayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP18132680A priority Critical patent/JPS57104837A/en
Publication of JPS57104837A publication Critical patent/JPS57104837A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0071—Creep
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0222—Temperature
    • G01N2203/0226—High temperature; Heating means

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

PURPOSE:To decide a life consumption rate of a metal component, by a method wherein a relation of a creeping life with deterioration in hardness and temperature is found beforehand. CONSTITUTION:A stress of 8-30kg/cm<2> is applied at a chrome molybdenum vanadium steel as a sample at various temperature ranging from 500 to 600 deg.C. A relation between hardness and a Larson-Miller parameter during various types of the tests is shown in a drawing, In the drawing, T is an absolute temperature, t is a time, phic is ratio of a holding time under a temparature stress condition showning a time fraction to a creeping breaking time. The drawing is shown in an equal creeping life curve, and a relation among phic, Vickers hardness, the absolute temperature, and the time can be found from the drawing. The relation are stored in a computer, and hardness obtained at a given periodical test, a time during which a metal is used, and a temperature are inputted. This computes a creeping life.
JP18132680A 1980-12-23 1980-12-23 Deciding method for creeping life of metal component Pending JPS57104837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18132680A JPS57104837A (en) 1980-12-23 1980-12-23 Deciding method for creeping life of metal component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18132680A JPS57104837A (en) 1980-12-23 1980-12-23 Deciding method for creeping life of metal component

Publications (1)

Publication Number Publication Date
JPS57104837A true JPS57104837A (en) 1982-06-30

Family

ID=16098727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18132680A Pending JPS57104837A (en) 1980-12-23 1980-12-23 Deciding method for creeping life of metal component

Country Status (1)

Country Link
JP (1) JPS57104837A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008180735A (en) * 2000-04-14 2008-08-07 Toshiba Corp Method for diagnosing lifetime of member and apparatus for diagnosing the lifetime
JP2020003373A (en) * 2018-06-29 2020-01-09 東芝エネルギーシステムズ株式会社 Life prediction method, life prediction device, and program for life prediction device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008180735A (en) * 2000-04-14 2008-08-07 Toshiba Corp Method for diagnosing lifetime of member and apparatus for diagnosing the lifetime
JP2008249732A (en) * 2000-04-14 2008-10-16 Toshiba Corp Method for diagnosing lifetime of member and method and apparatus for diagnosing the lifetime
JP2020003373A (en) * 2018-06-29 2020-01-09 東芝エネルギーシステムズ株式会社 Life prediction method, life prediction device, and program for life prediction device

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