Patents for C21D 10 - Modifying the physical properties by methods other than heat treatment or deformation (1,192)
02/2005
02/08/2005US6852179 Removing material from or adding material to laser shock processed region; process eliminates undesirable distortion and surface roughness introduced by conventional processes or laser shock by grinding, sanding, milling, polishing
02/02/2005CN1572891A Reduced mist laser shock peening
01/2005
01/18/2005US6843957 Ultrasonic impact methods for treatment of welded structures
01/11/2005US6841755 Overlay control for laser peening
01/06/2005US20050000953 Reducing electromagnetic feedback during laser shock peening
01/04/2005US6837971 Device and method of using explosive forces in a contained liquid environment
12/2004
12/30/2004US20040262276 Real time laser shock peening quality assurance by natural frequency analysis
12/16/2004US20040250584 Methods for altering residual stresses using mechanically induced liquid cavitation
12/15/2004CN1554782A Magnetically modifying method for increasing ferro magnetic metal wear resistance
12/09/2004US20040244882 Reinforcement welding using ultrasonic IMPACTING
12/08/2004EP1483418A1 Pre-loading of components during laser peenforming
12/02/2004US20040238509 Method using laser shock processing to provide improved residual stress profile characteristics
12/01/2004EP1481753A1 Reduced mist laser shock peening
12/01/2004CN1550560A Lower fluence boundary and low flow lasr shock peening
11/2004
11/25/2004US20040235696 Water-soluble sodium sulphate lauryl ether, cetyltrimethyl ammonium chloride, hydrophobic soap, and triethanolamine; for cutlery, surgical tools, and shave blades
11/25/2004US20040232125 Laser peening of dovetail slots by fiber optic and articulate arm beam delivery
11/23/2004CA2467528A1 Emulsion to preserve keen edge of a utensil
11/18/2004US20040228376 Self-seeded single-frequency solid-state ring laser, and single-frequency laser peening method and system using same
11/18/2004US20040226928 Laser shock peening
11/18/2004US20040226637 mating surfaces of fasteners; compressive stress; rigidity, stiffness, aging resistance
11/17/2004EP1478062A2 Self-seeded single-frequency solid-state ring laser, laser peening method and system using same
11/16/2004US6818854 Laser peening with fiber optic delivery
11/11/2004US20040224179 for creating a selectively customized compressive residual stress distribution profile in a workpiece by laser shock peening; pulse width as a factor in customizing the stress profile can be avoided since a relatively longer pulse width can be used with the variably sized laser beam spots
11/04/2004US20040217094 Lower fluence boundary lasr shock peening
11/03/2004EP1473373A1 Lower fluence boundary laser shock peening
10/2004
10/19/2004US6805970 Laser peening of components of thin cross-section
10/06/2004CN1535325A Metallic diffusion process and improved article produced thereby
09/2004
09/15/2004EP1456431A1 Grain refinement of alloys using magnetic field processing
09/15/2004EP1456430A1 Surface treatment of austenitic ni-fe-cr based alloys
09/09/2004US20040173290 Ultrasonic machining and reconfiguration of braking surfaces
08/2004
08/18/2004EP1447455A1 Method for processing welded metalwork joints by high-frequency hummering
07/2004
07/06/2004US6759626 System for laser shock processing objects to produce enhanced stress distribution profiles
06/2004
06/29/2004US6756104 Surface finishes on laser rods and slabs for laser peening systems
06/22/2004US6752593 Articles having improved residual stress profile characteristics produced by laser shock peening
06/15/2004US6750459 Apparatus for hardening metal article including holding device, energy beam generator pointed at and directing energy beam to holder, auxiliary heating device engaging holding device to heat metal article independently from energy beam
06/08/2004US6747240 UV curable overlays for laser peening
05/2004
05/21/2004WO2004042093A1 Iron structure product and metal structure product excelling in resistance to liquid metal embrittlement and process for producing the same
05/13/2004WO2004040023A1 Method of increasing toughness of heat-affected part of steel product welded joint
05/13/2004WO2004040022A1 Metal structure product with excellent environmental cracking resistance and method of enhancing environmental cracking resistance of metal structure product
05/06/2004US20040086738 Laser peening of components of thin cross-section
05/06/2004EP1305133B1 Method and device for hardening a metal component by plasma pulse technology
04/2004
04/28/2004CN1492059A Strong magnetic field quick complete annealing process for medium carbon low alloy structure steel
04/28/2004CN1147596C Heavy current short pulse treatment method of stress impedance material
04/22/2004US20040074572 Method and device for hardening a metal component by plasma pulse technology
04/20/2004US6722175 Ultrasonic machining and reconfiguration of braking surfaces
04/08/2004WO2004029303A1 Method of improving fatigue strength of work end portion of steel
04/08/2004WO2004028739A1 Method and device for creating internal compression stresses within the surface of workpieces
04/08/2004WO2004028718A1 Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method
04/08/2004US20040066995 Engine bearing
04/01/2004DE10243415A1 Verfahren zur Erzeugung von Druckeigenspannungen in der Oberfläche von Werkstücken A method for generating internal compressive stress in the surface of workpieces
03/2004
03/30/2004US6713716 Reduced mist laser shock peening
03/24/2004EP1024911B1 Method for pneumatic isostatic processing of a workpiece
03/03/2004CN1478624A Power ultrasonic Lead-in method for improving metal hardened structure
02/2004
02/26/2004WO2004016815A1 Methods and apparatus for stress relief using multiple energy sources
02/26/2004CA2495656A1 Methods and apparatus for stress relief using multiple energy sources
02/12/2004WO2004013359A1 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces
02/12/2004CA2491743A1 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces
02/03/2004US6685429 Prestressing of components
01/2004
01/27/2004US6683976 Image processing for laser shock processing
01/22/2004US20040011774 UV curable overlays for laser peening
01/14/2004EP1380657A1 Single sided laser shock peening
01/14/2004CN1134547C Method for controlling two-phase steel organization
01/13/2004US6677037 Laser shock peening tape, method and article
01/07/2004CN2597485Y Portable vibration gun for eliminating welding residual stress
12/2003
12/30/2003US6670578 Pre-loading of components during laser peenforming
12/30/2003US6670577 Laser shock peening method and apparatus
12/17/2003CN1131325C Laser impact processor for Nd glass
12/17/2003CN1131324C Impact head for laser impacting treatment
12/16/2003US6664506 Method using laser shock processing to provide improved residual stress profile characteristics
12/02/2003US6657160 Laser peening of components of thin cross-section
11/2003
11/27/2003WO2003097291A1 Methods for microscale laser shock processing of metal thin films
11/20/2003US20030213788 Overlay control for laser peening
10/2003
10/15/2003EP1352102A2 Metallic diffusion process and improved article produced thereby
10/07/2003US6630649 Inducing physical changes in metal objects
10/07/2003US6629464 Laser shock peening quality assurance by acoustic analysis
09/2003
09/25/2003WO2003078669A1 Pre-loading of components during laser peenforming
09/09/2003US6616041 Part marking method applicable to industrial parts
08/2003
08/21/2003US20030155039 Inducing phase transformation, from ferromagnetic to paramagnetic phase at low temperature; high strength steel construction materials for drilling
07/2003
07/23/2003CN1431325A Method for quick adjusting stress of metallurgy roller
07/02/2003EP0850321B1 Dry tape covered laser shock peening
06/2003
06/26/2003WO2003052156A1 Grain refinement of alloys using magnetic field processing
06/25/2003CN1112711C Process for heat treatment in magnetic field, of component made of soft magnetic material
06/25/2003CN1112450C Method for eliminating residual stress of welded modified thick steel plate structure
06/24/2003US6583384 Rapidly forming energy absorbing pellicle of curable resin coating; long lasting; easy removal
06/18/2003CN1424159A Method for producing eutectic enhanced austenite medium manganese steel by electric field
06/05/2003WO2003046242A1 Surface treatment of austenitic ni-fe-cr based alloys
05/2003
05/27/2003US6570126 Simultaneous offset dual sided laser shock peening using low energy laser beams
05/27/2003US6570125 Simultaneous offset dual sided laser shock peening with oblique angle laser beams
05/06/2003US6559415 Single sided laser shock peening
05/06/2003US6558485 Ablative coated surface; gas turbine engine parts
05/02/2003EP1305133A1 Method and device for hardening a metal component by plasma pulse technology
04/2003
04/30/2003CN1107119C Method for reducing internal stress in steel or iron workpieces by magnetic treatment of low-frequency pulses and its device
04/29/2003US6554924 Metallic diffusion process and improved article produced thereby
04/29/2003US6554921 Quality control plasma monitor for laser shock processing
04/22/2003US6551064 Laser shock peened gas turbine engine intermetallic parts
04/15/2003US6548782 Overlay control for laser peening
04/03/2003WO2002064851A3 Metallic diffusion process and improved article produced thereby
04/03/2003US20030062350 Laser shock peening method and apparatus
04/03/2003US20030062349 Laser shock peening quality assurance by acoustic analysis
04/01/2003US6541733 Laser shock peening integrally bladed rotor blade edges
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