Abstract:
Composite material for the making of decorative items which contains at least a polymeric component and at least a metallic powder dispersed in the polymeric component in an amount in weight between 2% and 95%. The metallic powder includes plate-like particles with a nanometric thickness of between 5 and 300 nm and a preferential growth in a two-dimensional surface with at least a dimension of between 0.6 and 100 μm. There is also a procedure for the making of an ornamental article, which includes at least a phase for preparing at least a base component of a silicone resin; at least a phase for preparing the metallic powder; at least an initial phase for mixing the metallic powder with the silicone resin base component to obtain an even mixture; and at least an initial phase for reticulating the base component in the even mixture with the metallic powder distributed in a homogeneous way.
Abstract:
In this method of manufacturing bonded magnets of a rare earth metal, a compound (10) obtained by pelletizing a kneaded product of a composition for the production of bonded magnets of a rare earth metal which contains powder of magnet of a rare earth metal, a binding resin and an oxidation inhibitor is stored in a hopper (91), and it is fed into a cylinder (3) through a feed pipe (92). When a piston (81) is extended by an operation of a hydraulic cylinder (8) and moved down, the compound (10) fed into the cylinder (3) is compressed, and sent gradually downward in the cylinder (3). The cylinder (3) and a heating member (41) are heated by a heater (5), and the compound (10) passing through these parts is heated to turn into a molten product (11). This molten product (11) is extruded from a metal extrusion mold (4) continuously in the perpendicularly downward direction, and cooled and solidified when it passes through a free end portion (43), to obtain a molded body (12) of a bonded magnet of a rare earth metal. Thus, a bonded magnet of a rare earth metal having excellent moldability, magnetic characteristics and dimensional accuracy is obtained by usinga smaller amount of binding resin with the advantages of extrusion molding enjoyed.
Abstract:
The present invention relates to a composite base material for the preparation of composite sintered materials reinforced with long fibres, characterized in that said matrix is formed from a combination of a polymer organic material and/or a ceramic-type mineral material and a metal material, preferably intimately mixed. It also relates to materials resulting from the sintering of such base materials, the method for fabricating and utilizing said materials in a field of aircraft engineering, aerospace or high speed vehicles, such as TGV (high speed train), or in the car industry, or in inflammable products.
Abstract:
A multi-material mold and a method of constructing a multi-material mold for injection molding using additive manufacturing comprises defining a structure of the mold; and defining at least two sub-regions, associating the sub-regions with respective specific materials and printing the sub-regions with the specific material. The sub- regions may include an internal sub-region that allows dissipation of heat accumulating during use of the mold, where the specific material is heat conductive; an embedded heat sink sub-region for conducting heat away from the internal sub-region allowing dissipation, where the specific material is relatively non-conductive mold material embedded with lines or layers of relatively heat-conductive material; a sub-region resistant to abrasion, where the specific material is an abrasion-resistant polymer; a sub- region resistant to breaking under process conditions, where the specific material is a high toughness and high Tg polymer or a digital material and a sub-region of flexible material for sealing and releasing.
Abstract:
Disclosed are interfacially modified particulate and polymer composite material for use in extrusion molding processes, such as metal extrusion molding and additive process such as 3D printing. The composite material is uniquely adapted for powder metallurgy processes. Improved products are provided under process conditions through surface modified powders that are produced by extrusion, additive processes such as 3D printing, Press and Sinter, or rapid prototyping.
Abstract:
Die Erfindung betrifft ein Verfahren zum Kaltgasspritzen einer Schicht, wobei zu diesem Zweck Beschichtungspartikel (17) in einer Kaltspritzdüse (11) beschleunigt werden und erfindungsgemäß diese Partikel (17) mit einer Ummantelung aus Kunststoff versehen werden. Auf diese Weise wird der Kunststoff zusammen mit dem metallischen Werkstoff auf dem Substrat abgeschieden, wodurch sich insbesondere Schichtzusammensetzungen mit guten Gleiteigenschaften, Schmutz abweisende Eigenschaften oder Schmiereigenschaften ausbilden. Ebenso unter Schutz gestellt ist eine solche Beschichtung, wobei auch die Verwendung einer solchen Beschichtung als Lagerbauteil eines Gleitlagers, als Strömungsbauteil, insbesondere als Rotorblatt von Windkraftanlagen oder Karosserieteile von Verkehrsmitteln, oder als Verkleidungsbauteile von Bauwerken unter Schutz gestellt sind.
Abstract:
A system and method to produce high density precision composite devices. A system and method to consolidate a high density composite within details of a mold. One method includes creating a densified composite within the mold. Another method includes densifying a pre-mixed composite within a mold. A very high density precision molded composite device.