Abstract: Disclosed in the present invention are a hot-stamped component having high cold-bending performance and high strength, and a manufacturing method therefor. The method comprises: (1) manufacturing a steel plate for hot stamping; (2) preprocessing a component; (3) heat treatment, transfer and stamping of the component: placing a semi-finished product of the component into a heat treatment furnace, controlling a heat treatment temperature to be 750° C.-960° C., and controlling the total time of heat treatment to be 1.5-10 min and the time for the heat treatment temperature above 880° C. not to be less than 1.2 min; transferring the heat-treated semi-finished product into a mold for mold-closed stamping, and the temperature of the semi-finished product when leaving the heat treatment furnace not being lower than 900° C.; when the thickness of the steel plate forming the component is less than or equal to 1.

Abstract: A high-performance thermoformed component provided with a coating, and a manufacturing method therefor. The thermoformed component comprises a substrate and a coating thereon. The substrate comprises the following ingredients in percentage by weight: 0.01-0.8% of C, 0.05-1.0% of Si, 0.1-5% of Mn, 0.001-0.3% of P, 0.001-0.1% of S, 0.001-0.3% of Al, 0.001-0.5% of Ti, 0.0005-0.1% of B, 0.001-0.5% of Nb, 0.001-0.5% of V, and the remainder being Fe and other unavoidable impurities. The appearance of the thermoformed component has no color difference and no mottling. The surface oxygen content of the thermoformed component is 0.1-20 wt. %, and the ratio of the standard deviation to the average value of the surface oxygen content satisfies: 0<standard deviation of oxygen content/average value of oxygen content ?0.3. In the manufacturing method, a coated steel plate that has undergone heat treatment, transfer processing, and hot stamping is not treated with oil.

Abstract: The present invention provides a modified cross-linked polyethylene and a preparation method therefor, and a recycled product and a preparation method therefor. The preparation method for the modified cross-linked polyethylene includes: milling waste cross-linked polyethylene by using a solid-phase force chemical reactor, and then using asphalt as a plasticizer for plasticization to obtain the modified cross-linked polyethylene. The plasticization treatment enables the decross-linked waste cross-linked polyethylene/asphalt material obtained after milling to have excellent processing fluidity, and thus, the decross-linked waste cross-linked polyethylene/asphalt material is suitable for preparing high-performance recycled products in various thermoplastic processing processes.

Abstract: A kinematics model-free trajectory tracking method for a robotic arm includes the following steps. Obtain an actual trajectory equation ra(t) of the robotic arm at time t according to a sensor, and combines the actual trajectory equation ra(t) with a predetermined target trajectory equation rd(t) to obtain a first error function e(t). Obtain a differential equation (I) of a state change rate of a driver of the robotic arm. Obtain a second error function ?(t). Pass the second error function c(t) through the applied gradient neural network to obtain equation (IV). Jointly solve equation (I) and equation (IV) to obtain an joint state vector ?(t) of the robotic arm. Drive a motion of the robotic arm by a controller according to the joint state vector ?(t) of the robotic arm to complete trajectory tracking.

Abstract: A hot stamping component having a tensile strength ?1000 MPa and a fabrication method therefor. The chemical composition of said hot stamping component by weight percentage is as follows: 0.05-0.20% of C, 0.02-1.00% of Si, 0.5-2.0% of Mn, P?0.10%, S?0.05%, 0.01-0.30% of Al, 0.01-0.04% of Nb, 0.01-0.06% of Ti, 0.12-0.50% of Cr, and 0.001-0.05% of B, and the remainder is Fe and other inevitable impurities; in addition, the following must also be satisfied: 0.24%?C+Mn/6?0.45%, and 0.05%?Nb+Ti+B×10?0.15%. With regard to the obtained hot stamping component, the original austenite average grain size is ?10 ?m, the VDA cold bending angle is ?80°, the room temperature impact toughness is ?80 J/cm2, the yield strength is ?800 MPa, the tensile strength is ?1000 MPa, and the elongation at break is ?6%. The hot stamping component has high toughness while also having high strength, and can therefore be widely applied in automobiles, ships, machinery, and other industries.

Abstract: Disclosed in the present invention is an aluminum plated steel sheet, comprising a substrate and a plating layer on the surface of the substrate. The microstructure of the plating layer comprises a Mg2Si phase and an AlMgSiFe phase; and an average grain diameter of the Mg2Si phase is 0.001-5 ?m. The present invention can alleviate the problem of melting-induced roller sticking and hydrogen embrittlement risk in a thermoforming process of the aluminum plated steel sheet. The present invention further provides a manufacturing method for the aluminum plated steel sheet, and a thermoformed component and a manufacturing method therefor.

Abstract: A butyl rubber reactive bonding layer for a pre-applied reactive-bonding waterproofing coiled material, a preparation method therefor, and a pre-applied reactive-bonding waterproofing coiled material, relating to the technical field of high-molecular pre-applied materials, are disclosed. The butyl rubber reactive bonding layer is prepared mainly from the following raw materials: 100 parts of a raw rubber, 9.5-15.5 parts of a linear tackifier containing a terminal hydroxyl structure and 12.5-19.5 parts of an active filler. The active filler includes active silicon dioxide and aluminium oxide.

Abstract: Disclosed are thermoformed component having excellent coating adhesion and a method for manufacturing the same. The thermoformed component comprises a substrate layer and an aluminum coating coated on at least one surface of the substrate layer, wherein the average roughness Ra of a surface of the thermoformed component is between 1.0 ?m and 3.0 ?m, the peak height and the peak-to-valley height Rt are between 8 ?m and 30 ?m, and the roughness peak count Rpc is greater than or equal to 50. The thermoformed component has good paintability, good coating adhesion and good corrosion resistance, and is very suitable for automotive parts.

Abstract: A high-performance thermoformed component provided with a coating, and a manufacturing method therefor. The thermoformed component comprises a substrate and a coating thereon. The substrate comprises the following ingredients in percentage by weight: 0.01-0.8% of C, 0.05-1.0% of Si, 0.1-5% of Mn, 0.001-0.3% of P, 0.001-0.1% of S, 0.001-0.3% of Al, 0.001-0.5% of Ti, 0.0005-0.1% of B, 0.001-0.5% of Nb, 0.001-0.5% of V, and the remainder being Fe and other unavoidable impurities. The appearance of the thermoformed component has no color difference and no mottling. The surface oxygen content of the thermoformed component is 0.1-20 wt. %, and the ratio of the standard deviation to the average value of the surface oxygen content satisfies: 0<standard deviation of oxygen content/average value of oxygen content ?0.3. In the manufacturing method, a coated steel plate that has undergone heat treatment, transfer processing, and hot stamping is not treated with oil.

Abstract: A kinematics model-free trajectory tracking method for a robotic arm includes the following steps. Obtain an actual trajectory equation ra(t) of the robotic arm at time t according to a sensor, and combines the actual trajectory equation ra(t) with a predetermined target trajectory equation rd(t) to obtain a first error function e(t). Obtain a differential equation (I) of a state change rate of a driver of the robotic arm. Obtain a second error function ?(t). Pass the second error function c(t) through the applied gradient neural network to obtain equation (IV). Jointly solve equation (I) and equation (IV) to obtain an joint state vector ?(t) of the robotic arm. Drive a motion of the robotic arm by a controller according to the joint state vector ?(t) of the robotic arm to complete trajectory tracking.

Abstract: A manufacturing method for a hot stamping component having an aluminium-silicon alloy coating, and a hot stamping component, said method comprising the following steps: a steel plate coated with an aluminium-silicon alloy coating is machined into a blank having a shape required for a part, and the blank is subjected to heat treatment and hot stamping. The blank heat treatment is two-stage or three-stage heating, and the temperature of the heating increases in steps. The steel plate coated with the aluminium-silicon alloy coating comprises a substrate, and the aluminium-silicon alloy coating on at least one surface of the substrate.

Abstract: A butyl rubber reactive bonding layer for a pre-applied reactive-bonding waterproofing coiled material, a preparation method therefor, and a pre-applied reactive-bonding waterproofing coiled material, relating to the technical field of high-molecular pre-applied materials, are disclosed. The butyl rubber reactive bonding layer is prepared mainly from the following raw materials: 100 parts of a raw rubber, 9.5-15.5 parts of a linear tackifier containing a terminal hydroxyl structure and 12.5-19.5 parts of an active filler. The active filler includes active silicon dioxide and aluminium oxide.

Abstract: The present disclosure provides a composite anode unit, comprising: a metal core rod; a metal layer coated on the metal core, wherein the metal layer is lead or lead alloy; a conductive ceramic layer coated on the metal layer, wherein the conductive ceramic layer comprises ?-PbO2—Al2O3 composite oxide; an active ceramic layer is coated on the conductive ceramic layer, wherein the active ceramic layer comprises ?-MnO2—Ti4O7 composite oxide. Methods for preparing the composite anode unit and an anode plate made from the composite anode unit are also provided.

Abstract: Method for directly producing a pickling-free hot-plated sheet strip product from molten steel comprising: obtaining a refined molten steel; thin strip continuous casting: a mixed gas of an inert gas and a reducing gas is used for protection in the billet casting process; hot rolling: the cast strip is levelled at a high temperature so as to improve the sheet shape and rolled to a suitable thickness so as to change the product specification, or provide a mechanical disruption action on the iron oxide skin on the surface of the cast strip; reduction annealing: a sectional reduction method is used to perform sectional reductions with the temperature held within two ranges, i.e., 450-600° C. and 700-1000° C., wherein the reduction is performed within a range of 450-600° C. for 1-5 minutes and within a range of 700-1000° C.

Abstract: The present disclosure provides a composite anode unit, comprising: a metal core rod; a metal layer coated on the metal core, wherein the metal layer is lead or lead alloy; a conductive ceramic layer coated on the metal layer, wherein the conductive ceramic layer comprises ?-PbO2—Al2O3 composite oxide; an active ceramic layer is coated on the conductive ceramic layer, wherein the active ceramic layer comprises ?-MnO2—Ti4O7 composite oxide. Methods for preparing the composite anode unit and an anode plate made from the composite anode unit are also provided.

Abstract: An integrated circuit contains a flash cell in which the top gate of the sense transistor is a metal sense gate over the floating gate. The source/drain regions of the sense transistor extend under the floating gate so that the source region is separated from the drain region by a sense channel length less than 200 nanometers. The floating gate is at least 400 nanometers wide, so the source/drain regions of the sense transistor extend under the floating gate at least 100 nanometers on each side. The integrated circuit is formed by forming the sense transistor source and drain regions before forming the floating gate.

Abstract: An apparatus with a burn-in board containing a microcontroller unit and a heater socket for insitu testing of a packaged integrated circuit while under stress. A method for insitu testing of a packaged integrated circuit while under stress. A method for insitu testing of multiple packaged integrated circuits while under stress.

Abstract: An apparatus with a burn-in board containing a microcontroller unit and a heater socket for insitu testing of a packaged integrated circuit while under stress. A method for insitu testing of a packaged integrated circuit while under stress. A method for insitu testing of multiple packaged integrated circuits while under stress.

Abstract: Method for directly producing a pickling-free hot-plated sheet strip product from molten steel comprising: obtaining a refined molten steel; thin strip continuous casting: a mixed gas of an inert gas and a reducing gas is used for protection in the billet casting process; hot rolling: the cast strip is levelled at a high temperature so as to improve the sheet shape and rolled to a suitable thickness so as to change the product specification, or provide a mechanical disruption action on the iron oxide skin on the surface of the cast strip; reduction annealing: a sectional reduction method is used to perform sectional reductions with the temperature held within two ranges, i.e., 450-600° C. and 700-1000° C., wherein the reduction is performed within a range of 450-600° C. for 1-5 minutes and within a range of 700-1000° C.

Abstract: An integrated circuit contains a flash cell in which the top gate of the sense transistor is a metal sense gate over the floating gate. The source/drain regions of the sense transistor extend under the floating gate so that the source region is separated from the drain region by a sense channel length less than 200 nanometers. The floating gate is at least 400 nanometers wide, so the source/drain regions of the sense transistor extend under the floating gate at least 100 nanometers on each side. The integrated circuit is formed by forming the sense transistor source and drain regions before forming the floating gate.