CN1099586C - 钢材表面存在异常部分产生原因的检测方法 - Google Patents
钢材表面存在异常部分产生原因的检测方法 Download PDFInfo
- Publication number
- CN1099586C CN1099586C CN96190161A CN96190161A CN1099586C CN 1099586 C CN1099586 C CN 1099586C CN 96190161 A CN96190161 A CN 96190161A CN 96190161 A CN96190161 A CN 96190161A CN 1099586 C CN1099586 C CN 1099586C
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- irradiation
- test portion
- pulse laser
- unusual part
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/202—Constituents thereof
- G01N33/2022—Non-metallic constituents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/204—Structure thereof, e.g. crystal structure
- G01N33/2045—Defects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N2001/045—Laser ablation; Microwave vaporisation
Abstract
Description
No. | 脉冲激光照射条件 | 试料采集条件 | 评价 | |||||||
平均输出(W) | 频率(Hz) | 脉冲半幅值(S) | 激光束直径(mm) | 脉冲能量密度(W/m2) | 线速度(mm/分) | 宽度(mm) | 深度μm) | |||
本发明的实施例 | 1 | 5 | 10 | 2.5×10-4 | 0.45 | 1.26×104 | 2 | 2 | 75 | ◎ |
2 | 2 | 10 | 5.0×10-5 | 0.20 | 5.70×107 | 2 | 2 | 30 | ◎ | |
3 | 5 | 1000 | 1.0×10-7 | 0.20 | 3.18×106 | 3 | 6 | 20 | ◎ | |
4 | 5 | 50000 | 1.5×10-8 | 0.05 | 3.40×106 | 2 | 2 | 75 | ◎ | |
5 | 10 | 1000 | 1.0×10-7 | 0.25 | 2.04×106 | 12 | 2 | 25 | ◎ | |
6 | 10 | 1000 | 1.0×10-7 | 0.25 | 2.04×106 | 1.5 | 2 | 200 | ◎ | |
7 | 40 | 2000 | 1.0×10-7 | 0.45 | 1.26×106 | 12 | 3 | 67 | ◎ | |
8 | 5 | 5000 | 1.5×10-8 | 0.25 | 1.36×106 | 6 | 1 | 50 | ○ | |
9 | 10 | 1000 | 1.0×10-7 | 0.25 | 2.04×106 | 12 | 3 | 17 | ○ | |
10 | 12 | 1000 | 1.0×10-7 | 0.25 | 2.04×106 | 1.5 | 2 | 240 | ○ | |
11 | 3 | 5000 | 1.5×10-8 | 0.20 | 1.27×106 | 3 | 1 | 15 | □ | |
比较例 | 1 | 3 | 10 | 2.5×10-4 | 0.45 | 7.55×103 | 2 | - | - | × |
2 | 2 | 10 | 2.0×10-8 | 0.30 | 1.40×108 | 2 | - | - | × | |
先前例 | 放电条件:电压:400V、放电频率:800Hz放电点:6mmφ。 | 30 | 6 | - | × |
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP170239/1995 | 1995-06-12 | ||
JP17023995A JP3166569B2 (ja) | 1995-06-12 | 1995-06-12 | 鋼材表面に生じた異常部の発生原因検出方法 |
JP170239/95 | 1995-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1150838A CN1150838A (zh) | 1997-05-28 |
CN1099586C true CN1099586C (zh) | 2003-01-22 |
Family
ID=15901255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96190161A Expired - Lifetime CN1099586C (zh) | 1995-06-12 | 1996-06-12 | 钢材表面存在异常部分产生原因的检测方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5784153A (zh) |
EP (1) | EP0780677B1 (zh) |
JP (1) | JP3166569B2 (zh) |
KR (1) | KR0165946B1 (zh) |
CN (1) | CN1099586C (zh) |
DE (1) | DE69629653T2 (zh) |
WO (1) | WO1996042005A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1035410A4 (en) * | 1998-04-28 | 2001-08-22 | Kawasaki Steel Co | METHOD FOR ANALYZING OXYGEN AND OXIDES IN METALLIC SUBSTANCES |
US7027142B2 (en) * | 2002-05-06 | 2006-04-11 | Applied Materials, Israel, Ltd. | Optical technique for detecting buried defects in opaque films |
EP1582862A1 (de) * | 2004-04-01 | 2005-10-05 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Diagnose eines betriebsbeanspruchten Bauteils |
JP4630978B2 (ja) * | 2006-03-31 | 2011-02-09 | 福井県 | 多層薄膜の分析方法ならびに装置 |
DE102010032792A1 (de) * | 2010-07-28 | 2012-02-02 | Hüttenwerke Krupp Mannesmann GmbH | Verfahren zur Reinheitsgradbestimmung von Metallen |
CN103778445B (zh) * | 2014-01-21 | 2017-02-01 | 武汉科技大学 | 一种冷轧带钢表面缺陷原因分析方法及系统 |
KR101529303B1 (ko) | 2014-07-16 | 2015-06-17 | 탁태문 | 비데 장치 |
RU2579546C1 (ru) * | 2014-12-30 | 2016-04-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный химико-технологический университет" (ИГХТУ) | Способ обнаружения механических дефектов на поверхности твердых материалов |
KR102331569B1 (ko) * | 2020-04-03 | 2021-11-25 | 송순영 | 이동형 사용자 기립 보조 장치 |
KR102337775B1 (ko) * | 2020-04-03 | 2021-12-09 | 전남대학교산학협력단 | 노인 넘어짐 예방을 위한 화장실 자세 보조 및 응급알람 시스템 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3602595A (en) * | 1968-05-20 | 1971-08-31 | Applied Res Lab | Method of and apparatus for generating aerosols by electric arc |
US3791743A (en) * | 1973-03-21 | 1974-02-12 | Bethlehem Steel Corp | Portable flame photometer and sampling probe |
GB8322709D0 (en) * | 1983-08-24 | 1983-09-28 | British Steel Corp | Analysis of materials |
US4615225A (en) * | 1985-03-13 | 1986-10-07 | Allied Corporation | In-situ analysis of a liquid conductive material |
JPH0629857B2 (ja) * | 1986-01-13 | 1994-04-20 | 新日本製鐵株式会社 | 鋼材の表面疵要因判定法 |
JPH03118440A (ja) * | 1989-09-29 | 1991-05-21 | Yokogawa Electric Corp | レーザ装置を有する元素分析装置 |
DE4004627C2 (de) * | 1990-02-15 | 1994-03-31 | Krupp Ag Hoesch Krupp | Verfahren zur Bestimmung von Materialeigenschaften polymerer Werkstoffe und Vorrichtung zur Durchführung des Verfahrens |
JP2870364B2 (ja) * | 1993-06-29 | 1999-03-17 | 日本鋼管株式会社 | レーザー気化分析方法及び装置 |
US5537206A (en) * | 1993-11-02 | 1996-07-16 | Nkk Corporation | Method for analyzing steel and apparatus therefor |
JP3039231B2 (ja) * | 1993-11-02 | 2000-05-08 | 日本鋼管株式会社 | 鋼成分迅速分析方法及び装置 |
-
1995
- 1995-06-12 JP JP17023995A patent/JP3166569B2/ja not_active Expired - Fee Related
-
1996
- 1996-06-12 CN CN96190161A patent/CN1099586C/zh not_active Expired - Lifetime
- 1996-06-12 KR KR1019960705346A patent/KR0165946B1/ko not_active IP Right Cessation
- 1996-06-12 EP EP96917647A patent/EP0780677B1/en not_active Expired - Lifetime
- 1996-06-12 DE DE69629653T patent/DE69629653T2/de not_active Expired - Lifetime
- 1996-06-12 WO PCT/JP1996/001585 patent/WO1996042005A1/ja active IP Right Grant
- 1996-06-12 US US08/722,276 patent/US5784153A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3166569B2 (ja) | 2001-05-14 |
EP0780677A1 (en) | 1997-06-25 |
JPH08338792A (ja) | 1996-12-24 |
KR970702486A (ko) | 1997-05-13 |
DE69629653D1 (de) | 2003-10-02 |
US5784153A (en) | 1998-07-21 |
EP0780677A4 (en) | 2000-01-05 |
DE69629653T2 (de) | 2004-06-03 |
CN1150838A (zh) | 1997-05-28 |
KR0165946B1 (ko) | 1999-03-30 |
WO1996042005A1 (fr) | 1996-12-27 |
EP0780677B1 (en) | 2003-08-27 |
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Owner name: JFE STEEL CORP. Free format text: FORMER OWNER: JIEFUYI EN INEERIN CO., LTD. Effective date: 20040618 |
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Owner name: JIEFUYI EN INEERIN CO., LTD. Free format text: FORMER NAME OR ADDRESS: NKK CORP. |
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Address after: Tokyo, Japan Patentee after: JFE ENGINEERING Corp. Address before: Japan Tokyo Chiyoda Patentee before: NKK Corp. |
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Effective date of registration: 20040618 Address after: Tokyo, Japan Patentee after: JFE STEEL Corp. Address before: Tokyo, Japan Patentee before: JFE ENGINEERING Corp. |
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