A high-temperature component of a refractory metal or a refractory metal alloy has an emissivity-increasing coating. The coating is formed of tantalum nitride and/or zirconium nitride; and tungsten with a tungsten content between 0 and 98 wt. %.

The present invention disclosed a method of producing a three-dimensional porous tissue in-growth structure. The method includes the steps of depositing a first layer of metal powder and scanning the first layer of metal powder with a laser beam to form a portion of a plurality of predetermined unit cells. Depositing at least one additional layer of metal powder onto a previous layer and repeating the step of scanning a laser beam for at least one of the additional layers in order to continuing forming the predetermined unit cells. The method further includes continuing the depositing and scanning steps to form a medical implant.

The present invention disclosed a method of producing a three-dimensional porous tissue in-growth structure. The method includes the steps of depositing a first layer of metal powder and scanning the first layer of metal powder with a laser beam to form a portion of a plurality of predetermined unit cells. Depositing at least one additional layer of metal powder onto a previous layer and repeating the step of scanning a laser beam for at least one of the additional layers in order to continuing forming the predetermined unit cells. The method further includes continuing the depositing and scanning steps to form a medical implant.

A golf club head is provided that includes a club main body that includes a front portion for striking a golf ball, a rear portion, a toe portion, a heel portion and a hosel area for receiving a shaft. The club main body further includes including a first region having a first density and a second region having a second density, wherein the club main body exhibits a single monolithic metallic material throughout.

A golf club head is provided that includes a club main body that includes a front portion for striking a golf ball, a rear portion, a toe portion, a heel portion and a hosel area for receiving a shaft. The club main body further includes including a first region having a first density and a second region having a second density, wherein the club main body exhibits a single monolithic metallic material throughout.

A noise suppression device for use with a firearm includes a body including an outermost external surface of the noise suppression device, an internal portion, a first end, and a second end; and a core seamlessly connected to the internal portion of the body, wherein the noise suppression device includes no joints, no seams, or any formerly separate pieces within the body or the core, and a porosity of a first portion of the body that is adjacent to the first end is different than a porosity of a second portion of the body that is adjacent to the second end. Alternatively, the core includes a plurality of baffles, and a porosity of a first baffle that is adjacent to the first end is different than a porosity of a second baffle that is adjacent to the second end.

Autonomic cooling of a substrate is achieved using a porous thermal protective layer to provide evaporative cooling combined with capillary pumping. The porous thermal protective layer is manufactured onto the substrate. A vascular network is integrated between the substrate and the protective layer. Applied heat causes fluid contained in the protective layer to evaporate, removing heat. The fluid lost to evaporation is replaced by capillary pressure, pulling fluid from a fluid-containing reservoir through the vascular network. Cooling occurs as liquid evaporates from the protective layer.

A cooled article and a method of forming a cooled article are disclosed. The cooled article includes a component, a porous material incorporated into the component, and a cooling medium within the porous material. Another cooled article is formed by a process includes the steps of forming a porous material from a pre-sintered preform, providing a component, and incorporating the porous material into the component. The porous material is in fluid communication with a cooling medium. The method of forming a cooled article includes providing a metal felt material infused with braze filler material, pre-sintering the metal felt material to form a porous material, providing a component, and incorporating the porous material into the component.

A hot-press sintering method to prepare a loop heat pipe evaporator includes: putting a shell of the evaporator into a mould, uniformly and compactly filling corresponding positions in the mould with material powders of an evaporation core, a heat insulation core and a transmission core, applying a pressure high enough to tightly fit the evaporation core and the transmission core to the shell at corresponding sintering temperatures of powder materials for the evaporation core and the transmission core, carrying out hot-press sintering for molding, carrying out cooling after metallurgically bonding the powder materials of the evaporation core and the transmission core, and carrying out demolding to obtain the loop heat pipe evaporator, wherein the mould is provided with corresponding structures shaped like steam channels on positions where the evaporation core is provided with the steam channels.

The present invention disclosed a method of producing a three-dimensional porous tissue in-growth structure. The method includes the steps of depositing a first layer of metal powder and scanning the first layer of metal powder with a laser beam to form a portion of a plurality of predetermined unit cells. Depositing at least one additional layer of metal powder onto a previous layer and repeating the step of scanning a laser beam for at least one of the additional layers in order to continuing forming the predetermined unit cells. The method further includes continuing the depositing and scanning steps to form a medical implant.