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