JPS6118131B2 - - Google Patents
Info
- Publication number
- JPS6118131B2 JPS6118131B2 JP51011519A JP1151976A JPS6118131B2 JP S6118131 B2 JPS6118131 B2 JP S6118131B2 JP 51011519 A JP51011519 A JP 51011519A JP 1151976 A JP1151976 A JP 1151976A JP S6118131 B2 JPS6118131 B2 JP S6118131B2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- hardness
- rolls
- change
- test method
- 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
Links
- 230000007547 defect Effects 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000010998 test method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 23
- 239000000463 material Substances 0.000 description 14
- 238000005259 measurement Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000009659 non-destructive testing Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1151976A JPS5296590A (en) | 1976-02-06 | 1976-02-06 | Method of detecting and preventing possible defects such as crack* break* etc* of surface of body to which mechanical force is applied |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1151976A JPS5296590A (en) | 1976-02-06 | 1976-02-06 | Method of detecting and preventing possible defects such as crack* break* etc* of surface of body to which mechanical force is applied |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5296590A JPS5296590A (en) | 1977-08-13 |
| JPS6118131B2 true JPS6118131B2 (ru) | 1986-05-10 |
Family
ID=11780230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1151976A Granted JPS5296590A (en) | 1976-02-06 | 1976-02-06 | Method of detecting and preventing possible defects such as crack* break* etc* of surface of body to which mechanical force is applied |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5296590A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3551739B2 (ja) * | 1997-12-22 | 2004-08-11 | 住友金属工業株式会社 | 圧延ロールのクラック探傷方法 |
| JP5391781B2 (ja) * | 2008-04-02 | 2014-01-15 | Ｊｆｅスチール株式会社 | ローラの亀裂診断装置及び診断方法 |
| JP5218096B2 (ja) * | 2009-01-27 | 2013-06-26 | Ｊｆｅスチール株式会社 | テーブルローラの亀裂診断装置及び診断方法 |
-
1976
- 1976-02-06 JP JP1151976A patent/JPS5296590A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5296590A (en) | 1977-08-13 |
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