Confirmation method of calibration by visual calibration gauge on surface testing

Masako Mori, Toshibumi Kashiwa, Yoshimitsu Aoki

研究成果: Conference contribution

抄録

In 2002, Japanese Industrial standard JIS Z 2340[1] has issued to provide the instruction of new methodology to calibrate the observing conditions of surface testing such as liquid penetrant and magnetic particle testing applying visual calibration gauges. The visual calibration gauges are the transparent plates, on which the line pairs printed to be used to confirm the resolution of visual testing observing view. The concept of line pair has been used to evaluate the resolutions of optical instruments, and the line pair value is a numerical value that shows how many line pairs can be distinguished as separate lines within 1 millimeter. In this paper, the background of the development and the general outlines of visual calibration gauges are introduced at first. And then applications of the gauges and detail process to calibrate the surface testing observing view conditions are also described.

本文言語English
ホスト出版物のタイトル2007 Proceedings of the ASME Pressure Vessels and Piping Conference - Codes and Standards
ページ565-568
ページ数4
DOI
出版ステータスPublished - 2008 5 19
外部発表はい
イベント2007 ASME Pressure Vessels and Piping Conference, PVP 2007 - San Antonio, TX, United States
継続期間: 2007 7 222007 7 26

出版物シリーズ

名前American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
1
ISSN(印刷版)0277-027X

Other

Other2007 ASME Pressure Vessels and Piping Conference, PVP 2007
国/地域United States
CitySan Antonio, TX
Period07/7/2207/7/26

ASJC Scopus subject areas

  • 機械工学

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