Patents for C21D 10 - Modifying the physical properties by methods other than heat treatment or deformation (1,192)
06/2001
06/26/2001US6251159 Dispersing mechanically alloyed nanophase particles in the metallic melt so the mechanically alloyed nanophase particles are spaced from each other to provide dispersion strengthening.
06/13/2001CN1298771A Vibration generator and method for eliminating residual stress of metal parts with it
05/2001
05/29/2001US6238187 Method using laser shock peening to process airfoil weld repairs pertaining to blade cut and weld techniques
05/22/2001US6236016 Oblique angle laser shock processing
05/02/2001CN1293362A Method for analysing monitering and controlling laser impact cold-forging by using instantaneous plasma spectrographic
04/2001
04/10/2001US6215097 On the fly laser shock peening
04/04/2001EP1088903A1 Simultaneous offset dual sided laser shock peening
03/2001
03/20/2001US6203633 Laser peening at elevated temperatures
03/13/2001US6200689 Laser shock peened gas turbine engine seal teeth
03/07/2001EP1081239A1 Method for setting up and controlling confinement media flow in laser shock peening
03/06/2001US6198069 Laser beam temporal and spatial tailoring for laser shock processing
03/06/2001US6197133 Short-pulse high-peak laser shock peening
02/2001
02/20/2001US6191385 Smart controller for laser peening
02/06/2001US6183882 In plane deflection coupon for monitoring and controlling of laser shock peening
01/2001
01/25/2001WO2001005549A2 Contour forming of metals by laser peening
01/23/2001US6176970 Delignification of wood pulp
01/09/2001US6171415 Welding metal product, induction a surface site, establish a wave energy frequency and decreasing internal ultrasonic wave energy magnitude
12/2000
12/12/2000US6159619 Ripstop laser shock peening
12/05/2000US6155789 Gas turbine engine airfoil damper and method for production
11/2000
11/07/2000US6144012 Efficient laser peening
10/2000
10/18/2000CN1270234A Method and equipment for reducing internal stress in steel or iron workpieces by magnetic treatment of low-frequency pulses
10/10/2000US6130400 Ballistic momentum apparatus and method for monitoring and controlling laser shock peening
10/03/2000US6127649 Process chamber for laser peening
09/2000
09/28/2000WO2000056973A1 Device and method of using explosive forces in a contained liquid environment
09/28/2000CA2366288A1 Device and method of using explosive forces in a contained liquid environment
09/12/2000US6116088 Method of operating a machine for stress relieving workpieces
08/2000
08/22/2000US6108357 Single head laser oscillator-amplifier
08/09/2000EP1024911A1 Method for pneumatic isostatic processing of a workpiece
07/2000
07/13/2000DE19900710A1 Steel article, especially a cutting, sawing or machining tool, is hardened by locally quench hardening and then exposing to a magnetic field
06/2000
06/20/2000US6078022 Laser peening hollow core gas turbine engine blades
06/13/2000US6075593 Method for monitoring and controlling laser shock peening using temporal light spectrum analysis
05/2000
05/16/2000US6064035 Process chamber for laser peening
05/02/2000US6057003 Laser shock processing,
04/2000
04/19/2000EP0993898A1 Laser shock peened gas turbine engine seal teeth
04/11/2000US6049058 Laser peening process and apparatus with uniform pressure pulse confinement
03/2000
03/21/2000CA2188602C Laser peening process and apparatus
03/15/2000CN1247233A Intelligent method and equipment for removing stress by harmonic oscillation
03/09/2000DE19841168A1 Surface treatment of materials with one or more laser beams involves moistening surface to be treated, and light input surface if transparent material, with absorbing/partially absorbing fluid
03/02/2000DE19839181A1 Verfahren zur Randschicht-Verfestigung eines metallenen Bauteiles mittels eines gepulsten Lasers A method for boundary-layer solidification of a metal component by means of a pulsed laser
03/01/2000EP0982408A2 Process for surface hardening of a metal workpiece by a pulsed laser
02/2000
02/01/2000US6021154 Laser shock peening method and reflective laser beam homogenizer
12/1999
12/23/1999WO1999065636A1 Inducing physical changes in metal objects
12/21/1999US6005219 Ripstop laser shock peening
12/15/1999EP0964067A1 Laser shock processing method utilizing light absorbing material layer of controlled thickness
11/1999
11/23/1999US5988982 Altering vibration frequencies of workpieces, such as gas turbine engine blades
11/10/1999CN1234450A Method for conducting off-line heat treamtnet to steel material by using magnetic field
09/1999
09/22/1999CN1045230C Method for producing super magnetostrictive rare-earth alloyed iron rod
09/14/1999US5951790 Method of monitoring and controlling laser shock peening using an in plane deflection test coupon
09/08/1999CN1227877A Laser shock peening using low energy laser
09/07/1999US5948293 Laser shock peening quality assurance by volumetric analysis of laser shock peened dimple
08/1999
08/10/1999US5935464 Laser shock peening apparatus with a diffractive optic element
08/10/1999US5935346 Magnetic component of soft magnetic alloy is annealed at a temperature below curie point of the alloy in a direct or undirect current, unidirctional, longitudinal or transverse magnetic field, forming a magnet of desired hysteresis loop
08/04/1999EP0933438A1 Laser shock peening using low energy laser
08/03/1999US5932120 Laser shock peening using low energy laser
06/1999
06/30/1999CN1220934A Rip-top laser shock peening method
06/23/1999EP0924306A2 Metallic article and a method of laser shock peening a metallic article
06/16/1999EP0922532A1 Balanced electromagnetic peening
06/15/1999US5911891 Laser shock peening with tailored multiple laser beams
06/15/1999US5911890 Oblique angle laser shock processing
04/1999
04/08/1999WO1999016561A1 Method for pneumatic isostatic processing of a workpiece
04/08/1999CA2305373A1 Method for pneumatic isostatic processing of a workpiece
01/1999
01/24/1999CA2243401A1 A method of operating a machine for stress relieving workpieces
01/13/1999EP0889140B1 Method of operating a machine for the stress relieving of workpieces
01/07/1999EP0889140A1 Method of operating a machine for the stress relieving of workpieces
12/1998
12/16/1998CN1201991A Process for heat treatment, in magnetic field, of component made of soft magnetic material
12/15/1998CA2131732C Method of optimizing the distribution of inherent stress in springs
12/09/1998EP0883141A1 Heating process with magnetic field of a soft magnetic component
12/08/1998US5846057 Laser shock peening for gas turbine engine weld repair
12/08/1998US5846054 Laser shock peened dovetails for disks and blades
10/1998
10/14/1998CN1195718A Physical technical equipment capable of influencing structural technological transformation
10/06/1998US5816090 Method for pneumatic isostatic processing of a workpiece
09/1998
09/29/1998US5813265 Balanced electromagnetic peening
09/02/1998EP0861917A1 Oblique angle laser shock processing
08/1998
08/25/1998CA2226444A1 Oblique angle laser shock processing
07/1998
07/01/1998EP0850321A1 Dry tape covered laser shock peening
05/1998
05/26/1998US5756965 On the fly laser shock peening
04/1998
04/30/1998WO1998017831A1 Method for modifying the structure of near-surface thin material layers
04/28/1998US5744781 Method and apparatus for laser shock peening
04/23/1998DE19643039A1 Verfahren zur Veränderung der Kristallstruktur dünner Zonen sowie zur Kristallisation amorpher Schichten durch Druckwellen A method of altering the crystal structure of thin zones, and for crystallization of amorphous layers by pressure waves
04/21/1998US5742028 Preloaded laser shock peening
04/21/1998US5741559 Providing shock waves to improve properties of solids
04/15/1998EP0835328A1 Adhesive tape covered laser shock peening
04/07/1998US5735044 Method to repair damage in a gas turbine engine metallic component
03/1998
03/24/1998US5730811 Cavity dumped laser shock peening process
02/1998
02/04/1998CN1037279C Explosion method for relieving residual stress of casting
11/1997
11/06/1997WO1997041267A1 Adhesive tape covered laser shock peening
11/06/1997WO1997041266A1 Dry tape covered laser shock peening
10/1997
10/14/1997US5675892 Laser shock peening for gas turbine engine vane repair
10/07/1997US5674329 Adhesive tape covered laser shock peening
10/07/1997US5674328 Dry tape covered laser shock peening
09/1997
09/30/1997US5671628 Laser shock peened dies
09/10/1997EP0794264A1 Laser shock peened gas turbine engine fan blade edges
04/1997
04/15/1997US5620307 Laser shock peened gas turbine engine blade tip
02/1997
02/19/1997EP0758406A1 A technique to prevent or divert cracks
01/1997
01/07/1997US5591009 Laser shock peened gas turbine engine fan blade edges
12/1996
12/17/1996US5584662 Laser shock peening for gas turbine engine vane repair
12/17/1996US5584586 Laser shock peened bearings
11/1996
11/05/1996US5571575 Laser shock method utilizing light absorbing material
10/1996
10/29/1996US5569018 Technique to prevent or divert cracks
10/10/1996DE19512763A1 Conditioning and repairing surface of permanent moulds
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