Abstract: This invention relates to a machine for treating parts with different shapes, comprising a chamber); a vacuum system; treatment systems, including a plasma generating system and/or a vacuum deposition system; and a transport system which is capable of displacing the part or parts in the chamber irrespectively of the shape of these parts; characterized in that the treatment systems include a laser system which is designed to treat the part or parts disposed in the chamber.

Abstract: The present invention concerns a friction piece (10) suitable for operating in a lubricated medium at a temperature higher than 200° C. The piece (10) comprises a metal surface (12) and an external coating (14) composed of tungsten carbide doped with nitrogen WC(N) with an atomic ratio of nitrogen between 5 and 12%. The invention also relates to a mechanical system (1) comprising such a piece (10). The invention also relates to a method for implementing such a piece (10).

Abstract: The present invention concerns a friction piece (10) suitable for operating in a lubricated medium at a temperature higher than 200° C. The piece (10) comprises a metal surface (12) and an external coating (14) composed of tungsten carbide doped with nitrogen WC(N) with an atomic ratio of nitrogen between 5 and 12%. The invention also relates to a mechanical system (1) comprising such a piece (10). The invention also relates to a method for implementing such a piece (10).

Abstract: The element is formed from the winding of a fabric of small thickness ranging between 20 ?m and 150 ?m and mixed with a resin containing fillers. The fabric has the form of strips having a width ranging between 5 mm and 200 mm, with the strips being crossed in several layers.

Abstract: An inside surface of an internal combustion engine liner is treated to have a surface roughness Ra smaller than 0.06 ?m, and then receives a DLC coating. A method of producing the internal combustion engine liner includes: forming the liner from a metal material, polishing an inside surface of the liner to obtain a polished inside surface of roughness Ra smaller than 0.06 ?m, and applying the DLC coating to the polished inside surface.

Abstract: This assembly includes a ball joint assembled in a casing, and receiving an axle capable of sliding and/or rotating therein. The ball joint is formed from the winding of a fabric of small thickness ranging between 20 ?m and 150 ?m and mixed with a resin comprising fillers. The fabric has the form of strips having a width ranging between 5 mm and 200 mm; the strips being crossed in several layers.

Abstract: A molten-salt bath for nitriding mechanical steel parts, essentially consisting of the following (the contents being expressed in wt %): 25 to 60 wt % of alkali-metal chlorides; 10 to 40 wt % of alkali-metal carbonates; 20 to 50 wt % of alkali-metal cyanates; and a maximum of 3 wt % of cyanide ions (formed during the use of the bath), wherein the total of the contents is 100 wt %. Preferably, the bath contains: 25 to 30 wt % of sodium cyanate; 25 to 30 wt % of sodium carbonate and lithium carbonate; 40 to 50 wt % of potassium chlorides; and a maximum of 3 wt % of cyanide ions (formed during the use of the bath), the total of the contents being 100 wt %.

Abstract: An inside surface of an internal combustion engine jacket is treated to have a surface roughness Ra smaller than 0.06 ?m, and then receives a DLC coating. A method of producing the internal combustion engine jacket includes: forming the jacket from a metal material, polishing an inside surface of the jacket to obtain a polished inside surface of roughness Ra smaller than 0.06 ?m, and applying the DLC coating to the polished inside surface.

Abstract: The device includes at least two coaxial waveguides each formed of a central conductor and of an external conductor to bring microwaves into a treatment chamber. The at least two electromagnetic wave injection guides are combined with a magnetic circuit elongated in one direction. The magnetic circuit surrounding the waveguides by creating a magnetic field capable of achieving an ECR condition close to the waveguides.

Abstract: This assembly includes a ball joint assembled in a casing, and receiving an axle capable of sliding and/or rotating therein. The ball joint is formed from the winding of a fabric of small thickness ranging between 20 ?m and 150 ?m and mixed with a resin comprising fillers. The fabric has the form of strips having a width ranging between 5 mm and 200 mm; the strips being crossed in several layers.

Abstract: The lubricated environment incorporates a friction modifier, and a coating is applied to the part. The coating is chromium nitride and the friction modifier is MoDTC. The chromium nitride presents an NaCl-type crystallization and a microhardness of 1,800+/?200 HV.

Abstract: The element is formed from the winding of a fabric of small thickness ranging between 20 ?m and 150 ?m and mixed with a resin containing fillers. The fabric has the form of strips having a width ranging between 5 mm and 200 mm, with the strips being crossed in several layers.

Abstract: A method for processing parts for kitchen tools in order to protect the parts from scratches, includes sequentially: a nitridation step, optionally including a nitrocarburizing step, between 592 and 750° C. in order to promote the formation of a nitrogen austenite layer; and a processing step for promoting the conversion of at least a portion of the nitrogen austenite into a phase with reinforced hardness.

Abstract: A part has a layer with a WC-C composition gradient, with the exception of a metal-containing undercoat and with the exception of an ion implantation layer and a DLC surface layer having cohesive behavior in scratch tests.

Abstract: The device includes at least two coaxial waveguides each formed of a central conductor and of an external conductor to bring microwaves into a treatment chamber. The at least two electromagnetic wave injection guides are combined with a magnetic circuit elongated in one direction. The magnetic circuit surrounding the waveguides by creating a magnetic field capable of achieving an ECR condition close to the waveguides.

Abstract: A device for generating a cold plasma in a vacuum enclosure includes a cathode body having hollow chambers for confining the plasma. Magnets are placed around each hollow chamber for creating a magnetic field forcing electrons to rotate about the field lines. The cathode body cooperates with an element for circulating a coolant to extract the heat generated by an intense ion bombardment at each of the hollow chambers.

Abstract: Friction part in a lubricated medium working at contact pressures above 200 MPa and having a contact surface that is textured and subjected, before or after texturizing, to a case hardening treatment for a tribological function, wherein the surface is subjected to operations for producing a periodic network of micrometric cavities having predefined shapes and sizes and a period adapted to the width of the contact surface in order to promote passage to elastohydrodynamic lubrication regime.

Abstract: The lubricated environment incorporates a friction modifier, and a coating is applied to the part. The coating is chromium nitride and the friction modifier is MoDTC. The chromium nitride presents an NaCl-type crystallization and a microhardness of 1,800 +/?200 HV.

Abstract: A cathode sputtering target includes: between 30 and 40 atomic % of a metal, between 2 and 10 atomic % of nitrogen, and between 35 and 50 atomic % of oxygen. The remainder up to 100% is constituted by at least one element selected from the group that comprises phosphorous (P), boron (B), silicon (Si), germanium (Ge), gallium (Ga), sulphur (S) and aluminium (Al). Also provides a method of manufacturing a thin film from the target, and an electrochemical device comprising the thin film.

Abstract: A method of treating a surface of at least one part by individual sources of an electron cyclotron resonance plasma is characterized by subjecting the part(s) to at least one movement of revolution with regard to at least one fixed linear row of elementary sources. The linear row or rows of elementary sources are disposed parallel to the axis or axes of revolution of the part or parts.