Patent classifications
C23C2/38
Plated steel wire and manufacturing method for the same
A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of Al; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/Al ternary eutectic structure, a Zn single-phase structure, and an Fe—Zn—Al-based crystal structure, wherein the Fe—Zn—Al-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of ⅕ to ½ with respect to an average thickness of the zinc alloy plated layer.
FLUID TRANSPORT TUBING INCORPORATING A GRAPHENE IMPREGNATED OUTER COATING
An article and method for forming a coated metal pipe for use as an automotive fluid transport tube including a copper plated carbon steel tubing formed into a circular cross sectional profile. At least one intermediate layer including any of a corrosion inhibiting zinc/aluminum alloy, electroplated zinc or hot dip aluminum is applied over said tubing. One or more outer polymer or copolymer layers are applied over the intermediate layer, with the outer layer or multi-layers compounded with a graphene or graphene oxide powder.
Continuous galvanizing apparatus and process
A continuous galvanizing apparatus for rods and process therefor. The apparatus includes a liquid reservoir. A plurality of adjacent tubes each pass into, through, and out of the liquid reservoir. Each of the adjacent tubes has at least one opening within the liquid reservoir so the tubes are in fluid communication with the reservoir. A rod drive mechanism moves a plurality of adjacent rods into, through, and out of the plurality of adjacent tubes. A kettle is provided beneath both the liquid reservoir and beneath the tubes. At least one pump pumps liquid from the kettle to the liquid reservoir so that liquid is continuously cycled to the tubes.
Continuous galvanizing apparatus and process
A continuous galvanizing apparatus for rods and process therefor. The apparatus includes a liquid reservoir. A plurality of adjacent tubes each pass into, through, and out of the liquid reservoir. Each of the adjacent tubes has at least one opening within the liquid reservoir so the tubes are in fluid communication with the reservoir. A rod drive mechanism moves a plurality of adjacent rods into, through, and out of the plurality of adjacent tubes. A kettle is provided beneath both the liquid reservoir and beneath the tubes. At least one pump pumps liquid from the kettle to the liquid reservoir so that liquid is continuously cycled to the tubes.
Process for Producing Tinned Copper Wires
Provided is a process for producing a tinned copper wire. The process comprises subjecting a copper wire sequentially to activation treatment, a first hot tinning treatment, a first cooling, a second hot tinning treatment, and a second cooling to obtain a tinned copper wire. The first hot tinning treatment is carried out at a first temperature and the second hot tinning treatment is carried out at a second temperature. The first temperature is higher than the second temperature. The first temperature is at least 38° C. higher than the melting point of tin. The second temperature is at least 8° C. higher than the melting point of tin.
METHOD AND DEVICE FOR DEPOSITING A COATING ON AN ENDLESS FIBER
A method for depositing a coating on a continuous carbon or ceramic fiber from a precursor of the coating, the method including at least the heating of at least one segment of the fiber in the presence of a liquid or supercritical phase of the coating precursor by a laser beam so as to bring the surface of the segment to a temperature allowing the formation of the coating on the segment from the coating precursor.
COPPER-COATED STEEL WIRE AND STRANDED WIRE
A copper-coated steel wire includes a core wire made of a steel and a coating layer made of copper or a copper alloy which covers an outer peripheral surface of the core wire. The coating layer includes an intermediate layer which is disposed in a region including the interface with the core wire and has a higher zinc concentration than a remaining region of the coating layer.
COPPER-COATED STEEL WIRE AND STRANDED WIRE
A copper-coated steel wire includes a core wire made of a steel and a coating layer made of copper or a copper alloy which covers an outer peripheral surface of the core wire. The coating layer includes an intermediate layer which is disposed in a region including the interface with the core wire and has a higher zinc concentration than a remaining region of the coating layer.
MANUFACTURING METHOD OF TEXTURED AND COATED ELECTRODE WIRE
A manufacturing method of a textured and coated electrode wire, comprising: selecting a copper-zinc alloy as a core material, preparing, by means of electroplating/hot-dipping, a metal zinc coating on a surface of the wire material, then performing pre-treatment on the coated electrode wire by means of discontinuous diffusion annealing to obtain a coated electrode wire material having a multi-layer structure of Zn/β-Cu γ-Cu/α-Cu, and then using multiple cold drawing treatments and a stress-relief annealing treatment to modify the electrode wire and obtain a textured and coated electrode wire material. Compared to conventional copper alloy electrode wires and zinc-coated electrode wires, the material has advantages of a fast cutting speed, low cutting cost, low environmental pollution, etc., wherein the cutting speed increases by 12% or more when compared with copper alloy electrode wire, the wire breakage rate during cutting processes decreases by 30%, and the replacement time interval of an ion-exchange resin filter for cooling water increases by 10%.
Copper-Phosphorus-Tin Brazing Wire and Preparation Method Thereof
The present disclosure provides a copper-phosphorus-tin brazing wire and a preparation method thereof, relates to the technical field of brazing materials. The copper-phosphorus-tin brazing wire is of a three-layer structure, the inner layer is Cu, the middle layer is Cu-14P alloy, and the outer layer is Sn, wherein the mass percentage of Sn is over 7%. The present disclosure solves the technical problems in the prior art that the copper-phosphorus-silver brazing filler metal is prone to produce defects such as pores and inclusions when brazing copper alloys, which leads to the decline of the mechanical properties of the joint, and simultaneously provides the preparation method of the copper-phosphorus-tin brazing wire, such that the technical problem that it is difficult to obtain copper-phosphorus-tin brazing wire with a wire diameter below 0.5 mm under the condition of high Sn content is solved.