JPS5694249A - Method for measurement of degree of alloying of galvannealed sheet steel - Google Patents
Method for measurement of degree of alloying of galvannealed sheet steelInfo
- Publication number
- JPS5694249A JPS5694249A JP17025679A JP17025679A JPS5694249A JP S5694249 A JPS5694249 A JP S5694249A JP 17025679 A JP17025679 A JP 17025679A JP 17025679 A JP17025679 A JP 17025679A JP S5694249 A JPS5694249 A JP S5694249A
- Authority
- JP
- Japan
- Prior art keywords
- rays
- sheet steel
- alloying
- galvannealed
- degree
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Coating With Molten Metal (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
PURPOSE:To decide the degree of alloying of a galvannealed sheet steel by irradiating characteristic X-rays to the galvannealed sheet having undergone alloying treatment, and measuring the intensity of the diffracted X-rays of the eta phase of the residual metal zinc. CONSTITUTION:In producing a galvannealed sheet steel by subjecting a zinc coated sheet steel to alloying treatment, if the zinc coated sheet sheet is subjected to the alloying treatment, its eta phase changes to mainly delta1 phase and xsi phase out of Fe-Zn intermetallic compounds owing to the diffusion of Fe, but characteristic X-rays are irradiated to the galvannealed sheet steel having been subjected to said alloying treatment and the diffraction intensity of the X-rays of the eta phase remained at this time is measured, whereby the degree of alloying of the galvannealed sheet steel is measured. As the diffracted X-rays from the eta phase, the (101) plane reflection (interplanar space 2.091Angstrom ) which is the strongest rays thereof is used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17025679A JPS5694249A (en) | 1979-12-28 | 1979-12-28 | Method for measurement of degree of alloying of galvannealed sheet steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17025679A JPS5694249A (en) | 1979-12-28 | 1979-12-28 | Method for measurement of degree of alloying of galvannealed sheet steel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5694249A true JPS5694249A (en) | 1981-07-30 |
JPS646269B2 JPS646269B2 (en) | 1989-02-02 |
Family
ID=15901560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17025679A Granted JPS5694249A (en) | 1979-12-28 | 1979-12-28 | Method for measurement of degree of alloying of galvannealed sheet steel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5694249A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015059835A1 (en) * | 2013-10-25 | 2015-04-30 | 新日鐵住金株式会社 | On-line plating adhesion determination device for galvannealed steel sheet and galvannealed steel sheet production line |
US9417197B2 (en) | 2012-04-25 | 2016-08-16 | Nippon Steel & Sumitomo Metal Corporation | Method of measuring thickness of Fe—Zn alloy phase of galvannealed steel sheet and apparatus for measuring the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5221887A (en) * | 1975-08-12 | 1977-02-18 | Nisshin Steel Co Ltd | Method of determining the rate of alloying of alloyed galvanized iron sheets |
-
1979
- 1979-12-28 JP JP17025679A patent/JPS5694249A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5221887A (en) * | 1975-08-12 | 1977-02-18 | Nisshin Steel Co Ltd | Method of determining the rate of alloying of alloyed galvanized iron sheets |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9417197B2 (en) | 2012-04-25 | 2016-08-16 | Nippon Steel & Sumitomo Metal Corporation | Method of measuring thickness of Fe—Zn alloy phase of galvannealed steel sheet and apparatus for measuring the same |
WO2015059835A1 (en) * | 2013-10-25 | 2015-04-30 | 新日鐵住金株式会社 | On-line plating adhesion determination device for galvannealed steel sheet and galvannealed steel sheet production line |
JPWO2015059835A1 (en) * | 2013-10-25 | 2017-03-09 | 新日鐵住金株式会社 | On-line plating adhesion judgment device for alloyed hot-dip galvanized steel sheet and alloyed hot-dip galvanized steel sheet production line |
US9927378B2 (en) | 2013-10-25 | 2018-03-27 | Nippon Steel & Sumitomo Metal Corporation | On-line coating adhesion determination apparatus of galvannealed steel sheet, and galvannealed steel sheet manufacturing line |
Also Published As
Publication number | Publication date |
---|---|
JPS646269B2 (en) | 1989-02-02 |
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