RU96123898A - METHOD FOR MEASURING AND INCREASING THE SERVICE LIFE OF METAL PARTS WITH LIMITED ENDURANCE - Google Patents
METHOD FOR MEASURING AND INCREASING THE SERVICE LIFE OF METAL PARTS WITH LIMITED ENDURANCEInfo
- Publication number
- RU96123898A RU96123898A RU96123898/28A RU96123898A RU96123898A RU 96123898 A RU96123898 A RU 96123898A RU 96123898/28 A RU96123898/28 A RU 96123898/28A RU 96123898 A RU96123898 A RU 96123898A RU 96123898 A RU96123898 A RU 96123898A
- Authority
- RU
- Russia
- Prior art keywords
- stress
- metal part
- level
- parts
- individual
- Prior art date
Links
- 239000002184 metal Substances 0.000 title claims 43
- 230000035882 stress Effects 0.000 claims 56
- 238000007906 compression Methods 0.000 claims 22
- 238000004519 manufacturing process Methods 0.000 claims 16
- 238000002441 X-ray diffraction Methods 0.000 claims 4
- 238000000034 method Methods 0.000 claims 4
- 238000005259 measurement Methods 0.000 claims 3
- 238000009376 nuclear reprocessing Methods 0.000 claims 2
Claims (36)
(1) измерение оставшегося остаточного напряжения сжатия поверхности металлической детали в одной или более зонах концентрации напряжений, используя методику дифракции рентгеновских лучей;
(2) сравнение оставшегося остаточного напряжения сжатия, измеренного в одной или более зонах концентрации напряжений, с заданным значением; и
(3) изъятие из эксплуатации металлической детали, если оставшееся остаточное напряжение, измеренное в одной или более зонах концентрации напряжений, меньше, чем заданный уровень.23. A method for determining when a single metal part is taken out of service, in which a metal part is manufactured with relatively high levels of residual compressive stress, and the part is subjected to a fatigue stress, comprising the following steps:
(1) measuring the remaining residual compressive stress of the surface of the metal part in one or more stress concentration zones using an X-ray diffraction technique;
(2) comparing the remaining residual compression stress measured in one or more stress concentration zones with a predetermined value; and
(3) the decommissioning of a metal part if the remaining residual stress measured in one or more stress concentration zones is less than a predetermined level.
(1) измерение оставшегося остаточного напряжения сжатия в поверхности металлической детали в одной или более зонах концентраций напряжений, используя методику дифракции рентгеновских лучей;
(2) сравнение оставшегося остаточного напряжения сжатия, измеренного в одной или более зонах концентрации напряжений, с заданным уровнем; и
(3) если оставшееся остаточное напряжение сжатия находится выше заданного уровня, возвращение металлической детали в эксплуатацию; или
(4) если оставшееся остаточное напряжение сжатия находится у или ниже заданного уровня, повторную обработку металлической детали для повышения остаточного напряжения сжатия до восстановленного уровня выше заданного уровня и затем возвращение металлической детали в эксплуатацию.28. A method of increasing the service life of a metal part, in which the metal part is manufactured with relatively high levels of residual compressive stress and subject this part to fatigue failure during operation, comprising the following steps:
(1) measuring the remaining residual compressive stress in the surface of a metal part in one or more stress concentration zones using an X-ray diffraction technique;
(2) comparing the remaining residual compressive stress measured in one or more stress concentration zones with a predetermined level; and
(3) if the remaining residual compression stress is above a predetermined level, returning the metal part to operation; or
(4) if the remaining residual compression stress is at or below a predetermined level, reprocessing the metal part to raise the residual compression stress to a restored level above a predetermined level and then returning the metal part to operation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/245,011 US5490195A (en) | 1994-05-18 | 1994-05-18 | Method for measuring and extending the service life of fatigue-limited metal components |
US08/245011 | 1994-05-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU96123898A true RU96123898A (en) | 1999-02-10 |
RU2150691C1 RU2150691C1 (en) | 2000-06-10 |
Family
ID=22924973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU96123898/28A RU2150691C1 (en) | 1994-05-18 | 1995-05-03 | Procedure measuring and prolonging service life of metal parts with limited endurance |
Country Status (14)
Country | Link |
---|---|
US (1) | US5490195A (en) |
EP (1) | EP0764267B1 (en) |
JP (1) | JP4117902B2 (en) |
AT (1) | ATE209784T1 (en) |
AU (1) | AU686378B2 (en) |
BR (1) | BR9507733A (en) |
CA (1) | CA2190354C (en) |
DE (1) | DE69524218T2 (en) |
FI (1) | FI964586A (en) |
IL (1) | IL113421A (en) |
NO (1) | NO964848L (en) |
RU (1) | RU2150691C1 (en) |
WO (1) | WO1995031715A1 (en) |
ZA (1) | ZA953706B (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5625664A (en) * | 1994-05-18 | 1997-04-29 | Fatigue Management Associates Llc | Methods for the design, quality control, and management of fatigue-limited metal components |
US6633384B1 (en) * | 1998-06-30 | 2003-10-14 | Lockheed Martin Corporation | Method and apparatus for ultrasonic laser testing |
US7561281B2 (en) * | 1998-06-30 | 2009-07-14 | Lockheed Martin Corporation | System and method for controlling tube thickness |
US7612890B2 (en) * | 1998-06-30 | 2009-11-03 | Lockheed Martin Corporation | System and method for controlling wafer temperature |
US6657733B1 (en) * | 1998-06-30 | 2003-12-02 | Lockheed Martin Corporation | Method and apparatus for detecting ultrasonic surface displacements using post-collection optical amplification |
US7342665B2 (en) * | 1998-06-30 | 2008-03-11 | Drake Jr Thomas E | System and method for control of paint thickness |
US7545509B2 (en) * | 1998-06-30 | 2009-06-09 | Lockheed Martin Corporation | System and method for online control of paper elasticity and thickness |
US6415044B1 (en) | 1998-12-29 | 2002-07-02 | Advanced Material Processing | Non-destructive inspection method for an impact treated surface |
US6721393B1 (en) | 1999-03-31 | 2004-04-13 | Proto Manufacturing Ltd. | X-ray diffraction apparatus and method |
US6449565B1 (en) * | 1999-04-05 | 2002-09-10 | United Technologies Corporation | Method and apparatus for determining in real-time the fatigue life of a structure |
US7286241B2 (en) * | 1999-06-24 | 2007-10-23 | Lockheed Martin Corporation | System and method for high-speed laser detection of ultrasound |
AU2002222956A1 (en) * | 2000-07-14 | 2002-01-30 | Lockheed Martin Corporation | System and method for locating and positioning an ultrasonic signal generator for testing purposes |
DE10118542A1 (en) * | 2001-04-14 | 2002-10-17 | Alstom Switzerland Ltd | Method for determining the elasto-plastic behavior of components consisting of anisotropic material and application of the method |
CH695515A5 (en) * | 2002-03-08 | 2006-06-15 | Alstom Technology Ltd | A method for determining the elasto-plastic behavior of consisting of anisotropic material components and use of the method. |
US6911100B1 (en) | 2002-08-30 | 2005-06-28 | Biomet, Inc. | Method for controlling residual stress in prosthetics |
US7171314B2 (en) * | 2004-09-30 | 2007-01-30 | The Boeing Company | Methods and systems for analyzing structural test data |
US7467070B2 (en) * | 2004-10-26 | 2008-12-16 | Meyer Eric S | Methods and systems for modeling stress intensity solutions for integrally stiffened panels |
US7822577B2 (en) * | 2007-08-15 | 2010-10-26 | General Electric Company | Methods and systems to develop an experience-based probabilistic lifing process |
JP5318507B2 (en) * | 2008-09-10 | 2013-10-16 | Juki株式会社 | Hole sewing machine |
RU2555202C1 (en) * | 2014-02-18 | 2015-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Method of life time estimation of pit items of power equipment |
US9260200B1 (en) * | 2014-11-07 | 2016-02-16 | International Business Machines Corporation | Metal fatigue analytics and alert systems |
KR102275609B1 (en) * | 2017-06-20 | 2021-07-08 | 지멘스 악티엔게젤샤프트 | Extending the life of power turbine disks exposed to corrosion damage during operation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3762885A (en) * | 1972-02-07 | 1973-10-02 | Chromalloy American Corp | Diffusion coating of metals |
US4034585A (en) * | 1975-08-25 | 1977-07-12 | Straub John C | Process of compression stressing metals to increase the fatigue strength thereof |
US4191599A (en) * | 1978-09-13 | 1980-03-04 | Ford Motor Company | Method of heat treating high carbon alloy steel parts to develop surface compressive residual stresses |
US5125016B1 (en) * | 1983-09-22 | 1998-02-24 | Outokumpu Oy | Procedure and measuring apparatus based on x-ray diffraction for measuring stresses |
US4904528A (en) * | 1987-12-24 | 1990-02-27 | United Technologies Corporation | Coated gas turbine engine compressor components |
JPH02136737A (en) * | 1988-11-17 | 1990-05-25 | Mitsubishi Heavy Ind Ltd | Evaluating method for remaining service life of high temperature apparatus parts |
US5272746A (en) * | 1992-02-05 | 1993-12-21 | Genshi Nenryo Kogyo Kabushiki Kaisha | Method of evaluating a degree of fatigue in a structural material |
-
1994
- 1994-05-18 US US08/245,011 patent/US5490195A/en not_active Expired - Lifetime
-
1995
- 1995-04-19 IL IL11342195A patent/IL113421A/en not_active IP Right Cessation
- 1995-05-03 EP EP95917804A patent/EP0764267B1/en not_active Expired - Lifetime
- 1995-05-03 RU RU96123898/28A patent/RU2150691C1/en not_active IP Right Cessation
- 1995-05-03 AU AU23733/95A patent/AU686378B2/en not_active Ceased
- 1995-05-03 JP JP52968595A patent/JP4117902B2/en not_active Expired - Lifetime
- 1995-05-03 AT AT95917804T patent/ATE209784T1/en not_active IP Right Cessation
- 1995-05-03 DE DE69524218T patent/DE69524218T2/en not_active Expired - Lifetime
- 1995-05-03 CA CA002190354A patent/CA2190354C/en not_active Expired - Lifetime
- 1995-05-03 BR BR9507733A patent/BR9507733A/en not_active IP Right Cessation
- 1995-05-03 WO PCT/US1995/005488 patent/WO1995031715A1/en active IP Right Grant
- 1995-05-08 ZA ZA953706A patent/ZA953706B/en unknown
-
1996
- 1996-11-15 NO NO964848A patent/NO964848L/en not_active Application Discontinuation
- 1996-11-15 FI FI964586A patent/FI964586A/en not_active Application Discontinuation
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU96123898A (en) | METHOD FOR MEASURING AND INCREASING THE SERVICE LIFE OF METAL PARTS WITH LIMITED ENDURANCE | |
Nicholas et al. | On the use of the Goodman diagram for high cycle fatigue design | |
US5042295A (en) | Method for determining remaining useful life of turbine components | |
EP0855022B1 (en) | Methods for the design, quality control, and management of fatigue-limited metal components | |
AU686378B2 (en) | Method for measuring and extending the service life of fatigue-limited metal components | |
RU2737127C1 (en) | Increased service life of power turbine disk subjected to corrosion damage during operation (embodiments) | |
JP3764616B2 (en) | Turbine rotor crack growth prediction method | |
Zaretsky et al. | Determination of turbine blade life from engine field data | |
KR102077865B1 (en) | Method for evaluating age effect of low pressure turbine | |
Annis Jr et al. | Gas turbine engine disk retirement-for-cause: an application of fracture mechanics and NDE | |
CN113722946A (en) | Creep-fatigue life prediction method and prediction system for steam turbine rotor | |
GB2029970A (en) | Method for determining overhaul life of gas turbine installation | |
Ioannides | Life prediction in rolling element bearings | |
Karlsson et al. | Metallographic approach to hirbine blade life time prediction | |
Koul et al. | Practical experience with damage tolerance based life extension of turbine engine components | |
Ortega et al. | Developments in the Inspection and Evaluation of Turbine Shrunk-On Disks | |
SU1170305A1 (en) | Method of determining revolving part service life | |
SU1195209A1 (en) | Method of determining residual life of large-size part | |
SU1018494A1 (en) | Method of reconditioning service life of turbine rotor | |
Leon-Salamanca et al. | Integrated nondestructive evaluation, materials, and fracture mechanics approach to life extension of steam turbine rotors | |
Millwater et al. | Application of advanced probabilistic fracture mechanics to life evaluation of turbine rotor blade attachments | |
Mahorter et al. | STATISTICAL ANALYSIS OF SPIN PIT FAILURE DATA TO PREDICT INSERVICE 8. I LIVES OF GAS TURBINE DISKS%<% | |
JPH04252933A (en) | Method for diagnosing damage of structural member | |
Rodríguez et al. | Aspects of remnant life assessment in old steam turbines | |
Pineault et al. | Residual Stress Measurements in Automotive Components via X-Ray Diffraction |