JPS6344186B2 - - Google Patents

Info

Publication number
JPS6344186B2
JPS6344186B2 JP56056821A JP5682181A JPS6344186B2 JP S6344186 B2 JPS6344186 B2 JP S6344186B2 JP 56056821 A JP56056821 A JP 56056821A JP 5682181 A JP5682181 A JP 5682181A JP S6344186 B2 JPS6344186 B2 JP S6344186B2
Authority
JP
Japan
Prior art keywords
hardness
hole
indenter
hardness meter
measurement
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.)
Expired
Application number
JP56056821A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57171243A (en
Inventor
Hiroaki Yoshioka
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP5682181A priority Critical patent/JPS57171243A/ja
Publication of JPS57171243A publication Critical patent/JPS57171243A/ja
Publication of JPS6344186B2 publication Critical patent/JPS6344186B2/ja
Granted 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
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid

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)
JP5682181A 1981-04-15 1981-04-15 Internal hardness gauge Granted JPS57171243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5682181A JPS57171243A (en) 1981-04-15 1981-04-15 Internal hardness gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5682181A JPS57171243A (en) 1981-04-15 1981-04-15 Internal hardness gauge

Publications (2)

Publication Number Publication Date
JPS57171243A JPS57171243A (en) 1982-10-21
JPS6344186B2 true JPS6344186B2 (enrdf_load_stackoverflow) 1988-09-02

Family

ID=13038030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5682181A Granted JPS57171243A (en) 1981-04-15 1981-04-15 Internal hardness gauge

Country Status (1)

Country Link
JP (1) JPS57171243A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0217697U (enrdf_load_stackoverflow) * 1988-07-20 1990-02-05

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63134934A (ja) * 1986-11-27 1988-06-07 Kansai Electric Power Co Inc:The 劣化診断方法および装置
US6067846A (en) * 1997-10-27 2000-05-30 Hill; Jack O. Apparatus and method for testing the hardness of a pipe
KR101206745B1 (ko) 2010-11-29 2012-11-30 국방과학연구소 수중 정적압력 측정장치 및 측정방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5264987A (en) * 1975-11-25 1977-05-28 Nippon Steel Corp Apparatus for and method of detecting unevenness heat treatment in hea t treated steel pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0217697U (enrdf_load_stackoverflow) * 1988-07-20 1990-02-05

Also Published As

Publication number Publication date
JPS57171243A (en) 1982-10-21

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