JPS5717841A - Measuring method for galvanized steel plate powderiness - Google Patents

Measuring method for galvanized steel plate powderiness

Info

Publication number
JPS5717841A
JPS5717841A JP9286480A JP9286480A JPS5717841A JP S5717841 A JPS5717841 A JP S5717841A JP 9286480 A JP9286480 A JP 9286480A JP 9286480 A JP9286480 A JP 9286480A JP S5717841 A JPS5717841 A JP S5717841A
Authority
JP
Japan
Prior art keywords
tape
steel plate
powderiness
stuck
piece
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
JP9286480A
Other languages
Japanese (ja)
Other versions
JPH0118373B2 (en
Inventor
Tadao Fujinaga
Kouichi Tsumura
Shoji Shizuma
Kazuya Oshiba
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP9286480A priority Critical patent/JPS5717841A/en
Publication of JPS5717841A publication Critical patent/JPS5717841A/en
Publication of JPH0118373B2 publication Critical patent/JPH0118373B2/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
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
    • 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
    • G01N2203/0091—Peeling or tearing

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)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

PURPOSE:To enable to evalute powderiness of a galvanized steel plate by bending a test piece by 180 deg. and sticking a piece of cellophane tape to the outside of a work part, thereafter peeling it off, thus determining the quantity of zinc powder stuck to the surface of tape. CONSTITUTION:A specified load is applied to a test piece of a strip shape using a vise and a press and bent at 80 deg. so that it may become a right angle against the its rolling direction. Without bending back, a piece of cellophane tape is stuck directly to the outside of a work part, and the tape is peeled off after rubbing it. This tape is stuck to a clear cold rolled steel plate, and the quantity of the zinc powder stuck to the tape surface is determined by a fluorescent X-ray device. Then, the powderiness is found out from this fluorescent intensity and a measuring line that is prepared by applying a known quantity of the object of analysis for known density to the surface of a steel plate. Therefore, comparing with the qualitative numerical value determined by naked eye, it makes far precise and quantitative decision possible.
JP9286480A 1980-07-08 1980-07-08 Measuring method for galvanized steel plate powderiness Granted JPS5717841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9286480A JPS5717841A (en) 1980-07-08 1980-07-08 Measuring method for galvanized steel plate powderiness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9286480A JPS5717841A (en) 1980-07-08 1980-07-08 Measuring method for galvanized steel plate powderiness

Publications (2)

Publication Number Publication Date
JPS5717841A true JPS5717841A (en) 1982-01-29
JPH0118373B2 JPH0118373B2 (en) 1989-04-05

Family

ID=14066288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9286480A Granted JPS5717841A (en) 1980-07-08 1980-07-08 Measuring method for galvanized steel plate powderiness

Country Status (1)

Country Link
JP (1) JPS5717841A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6252183A (en) * 1985-06-21 1987-03-06 ニユ−　メキシコ　テツク　リサ−チ　フアンデ−シヨン Manufacture and equipment for powder formed body
KR20070003366A (en) * 2005-07-01 2007-01-05 주식회사 포스코 Powder peeling width measuring apparatus and method
CN100473971C (en) 2004-09-29 2009-04-01 宝山钢铁股份有限公司 Apparatus and method for testing coherence of steel sheet zinc coating
CN106501120A (en) * 2016-10-27 2017-03-15 马钢(集团)控股有限公司 A kind of method for quick of hot-dip galvanized alloy steel plate efflorescence

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6252183A (en) * 1985-06-21 1987-03-06 ニユ−　メキシコ　テツク　リサ−チ　フアンデ−シヨン Manufacture and equipment for powder formed body
CN100473971C (en) 2004-09-29 2009-04-01 宝山钢铁股份有限公司 Apparatus and method for testing coherence of steel sheet zinc coating
KR20070003366A (en) * 2005-07-01 2007-01-05 주식회사 포스코 Powder peeling width measuring apparatus and method
CN106501120A (en) * 2016-10-27 2017-03-15 马钢(集团)控股有限公司 A kind of method for quick of hot-dip galvanized alloy steel plate efflorescence

Also Published As

Publication number Publication date
JPH0118373B2 (en) 1989-04-05

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