JPS6329748U - - Google Patents

Info

Publication number
JPS6329748U
JPS6329748U JP12420986U JP12420986U JPS6329748U JP S6329748 U JPS6329748 U JP S6329748U JP 12420986 U JP12420986 U JP 12420986U JP 12420986 U JP12420986 U JP 12420986U JP S6329748 U JPS6329748 U JP S6329748U
Authority
JP
Japan
Prior art keywords
crack
pair
length
test specimen
voltage
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.)
Granted
Application number
JP12420986U
Other languages
English (en)
Other versions
JPH0610283Y2 (ja
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 filed Critical
Priority to JP1986124209U priority Critical patent/JPH0610283Y2/ja
Publication of JPS6329748U publication Critical patent/JPS6329748U/ja
Application granted granted Critical
Publication of JPH0610283Y2 publication Critical patent/JPH0610283Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す外観斜視図、
第２図は本考案の電気的構成を示すブロツク線図
、第３図は試験体を抵抗で示す等価回路図である
。 １１……第１のピツクアツプ、１２……第２の
ピツクアツプ、１３……電極、１４……試験体、
１５……亀裂、４４……対比演算回路、４５……
亀裂長さ演算回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 試験体に生じた亀裂の長さを測定する亀裂長さ
    測定装置において、前記試験体の前記亀裂を挾ん
    だ一対の端部に給電する一対の電極と、前記一対
    の端部間の電圧を検出する第１のピツクアツプと
    、前記亀裂を挾む一対の近傍の間の電圧を検出す
    る第２のピツクアツプと、第１のピツクアツプに
    よつて検出された電圧と第２のピツクアツプによ
    つて検出された電圧との比の演算を行う対比演算
    回路と、この対比演算回路の演算結果に従つて前
    記亀裂の長さの演算を行う亀裂長さ演算回路とを
    備えたことを特徴とする亀裂長さ測定装置。
JP1986124209U 1986-08-12 1986-08-12 亀裂長さ測定装置 Expired - Lifetime JPH0610283Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986124209U JPH0610283Y2 (ja) 1986-08-12 1986-08-12 亀裂長さ測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986124209U JPH0610283Y2 (ja) 1986-08-12 1986-08-12 亀裂長さ測定装置

Publications (2)

Publication Number Publication Date
JPS6329748U true JPS6329748U (ja) 1988-02-26
JPH0610283Y2 JPH0610283Y2 (ja) 1994-03-16

Family

ID=31016012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986124209U Expired - Lifetime JPH0610283Y2 (ja) 1986-08-12 1986-08-12 亀裂長さ測定装置

Country Status (1)

Country Link
JP (1) JPH0610283Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03189538A (ja) * 1989-12-20 1991-08-19 Hitachi Ltd 腐食環境き裂進展試験装置
JP2011058952A (ja) * 2009-09-10 2011-03-24 Toyota Central R&D Labs Inc 亀裂面積率算出方法および装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115937A (en) * 1980-02-19 1981-09-11 Tokyo Koki Seizosho:Kk Detecting method for crack of test piece
JPS5946323A (ja) * 1982-02-26 1984-03-15 ゲトラ−グ・ゲトリ−ベウントツア−ンラツド・フアブリツク・ゲ−エムバ−ハ− 内燃機関とトランスミツシヨンを含む配列装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115937A (en) * 1980-02-19 1981-09-11 Tokyo Koki Seizosho:Kk Detecting method for crack of test piece
JPS5946323A (ja) * 1982-02-26 1984-03-15 ゲトラ−グ・ゲトリ−ベウントツア−ンラツド・フアブリツク・ゲ−エムバ−ハ− 内燃機関とトランスミツシヨンを含む配列装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03189538A (ja) * 1989-12-20 1991-08-19 Hitachi Ltd 腐食環境き裂進展試験装置
JP2011058952A (ja) * 2009-09-10 2011-03-24 Toyota Central R&D Labs Inc 亀裂面積率算出方法および装置

Also Published As

Publication number Publication date
JPH0610283Y2 (ja) 1994-03-16

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