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Title:
ROLLING FATIGUE TEST METHOD
Document Type and Number:
Japanese Patent JP2023099630
Kind Code:
A
Abstract:
To provide a thrust test piece capable of precisely verifying the harmfulness of an inclusion.SOLUTION: A rolling fatigue test method includes the steps of: performing the hydrogen introduction treatment on a test piece in which a mother phase is steel and particles of a predetermined shape are embedded, having the mother phase and a gap at a predetermined depth from the surface; keeping it still for one hour or more after the hydrogen introduction treatment in order to adjust the amount of hydrogen in the steel; and performing the thrust type rolling fatigue test within 24 hours after the hydrogen introduction treatment.SELECTED DRAWING: Figure 1

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Inventors:
ISHIBASHI IZUMI
FUJIMATSU TAKESHI
Application Number:
JP2023079100A
Publication Date:
July 13, 2023
Filing Date:
May 12, 2023
Export Citation:
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Assignee:
SANYO SPECIAL STEEL CO LTD
International Classes:
G01M13/04; F16C19/10; G01N17/00
Attorney, Agent or Firm:
Katsufumi Mizuno
Kawakami Adult



 
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