A method of manufacturing a nanoporous structure on a substrate includes: additively forming a precursor structure from at least one of a metal oxide or a metal cluster compound on a substrate; exposing the precursor structure to a vapor of an organic linker; and reacting the at least one of the metal oxide or the metal cluster compound in the precursor structure with the organic linker to form the nanoporous structure comprising a metal-organic framework.

The invention provides a method for the recovery of a metal-containing product (M.sub.Prod) comprising: providing a composite material comprising a matrix of oxidised reductant (R.sub.o), a product metal (M.sub.P) dispersed in the matrix of oxidised reductant (R.sub.o), and one or more metal compounds (M.sub.PC.sub.R) of the product metal (M.sub.P) in one or more oxidation states dispersed in the matrix of oxidised reductant (R.sub.o); and treating the composite material to at least partially remove the one or more metal compounds (M.sub.PC.sub.R) from the matrix of oxidised reductant (Ro) to form the metal-containing product (M.sub.Prod).

A preparation method of Yttrium oxide dispersed and strengthened titanium alloy powders. The method includes following steps: mixing alloying elements according to alloy element ratios of: 0.1 wt % to 1.0 wt % Y, 5.5 wt % to 6.8 wt % Al, 3.5 wt % to 4.5 wt % V, Ti as balance, preparing alloy ingots by vacuum melting process, and performing forging and rolling process; performing mechanical treatment for forged and rolled alloy ingots, to obtain alloy rods that meet size requirement of plasma rotating electrode process; preparing titanium alloy powders based on alloy rods by the plasma rotating electrode process; preparing parameters are: rotating speed of the alloy rods is 25000 r/min to 35000 r/min, a feeding speed of the alloy rods is 1.0 mm/s to 2.0 mm/s, power of the plasma gun is 60 kw to 140 kw, a temperature of the inert gas is 200? ? C. to 400? C., oxygen content of atomization chamber not greater than 100 ppm.

A method for producing a TiAl-based intermetallic sintered compact includes sintering TiAl-based powder to produce a TiAl-based intermetallic sintered compact. The TiAl-based powder contains a TiAl-based intermetallic compound in which Ti and Al are bonded and an additional metal. The additional metal is Ni, or Ni and Fe.

A method is provided, for manufacturing a component of a turbomachine, in particular a blade, in which initially a shell (6) including an interior cavity (7) corresponding to the outer contour of the component is manufactured from an intermetallic TiAl material, and subsequently a Ti alloy in powder form is filled into the cavity, and the cavity with the filled-in Ti alloy powder is tightly sealed, the tightly sealed shell (6) including the enclosed titanium alloy powder being subsequently processed into a component of the turbomachine using hot isostatic pressing. Alternatively, the invention relates to a method for generatively manufacturing a component including a shell made from a TiAl alloy and a core made from a Ti alloy. In addition, the invention relates to a correspondingly manufactured component.

A compositionally-graded structure including a body having a first major surface and a second major surface opposed from the first major surface along a thickness axis, the body including a metallic component and a ceramic component, wherein a concentration of the ceramic component in the body is a function of location within the body along the thickness axis, wherein transitions of the concentration of the ceramic component in the body are continuous such that distinct interfaces are not macroscopically established within the body, and wherein the concentration of the ceramic component is at least 95 percent by volume at at least one location within the body along the thickness axis.

A titanium sintered body has an average crystal grain diameter on the surface of more than 30 m and 500 m or less, and a Vickers hardness on the surface of 300 or more and 800 or less. In the titanium sintered body, it is preferred that crystal structures on the surface have an average aspect ratio of 1 or more and 3 or less. Further, in the titanium sintered body, it is preferred that the oxygen content on the surface is 2000 ppm by mass or more and 5500 ppm by mass or less. Further, in the titanium sintered body, it is preferred that titanium is contained as a main component, and an -phase stabilizing element and a -phase stabilizing element are also present.

A method for producing titanium powder containing a solid-soluted nitorogen comprises the step of heating titanium powder comprised of titanium particles in a nitrogen-containing atmosphere to dissolve nitrogen atoms and form a solid solution of nitrogen atom in a matrix of the titanium particle.

A powder for a conductive material according to an embodiment of the present invention includes a large number of particles that contain copper as a main component and having an average primary particle diameter of 1 nm or more and 200 nm or less. The particles contain titanium on surfaces or inside thereof, and a content of the titanium is 0.003 atomic percent or more and 0.5 atomic percent or less.

A vehicular brake rotor component made from a Ti base powder alloy which has been 3D printed to a desired shape before one or both of its wear surfaces are coated with a 0.005 to 0.01 inch thick mixture containing about 1-40% chromium carbine. Then the combined product is sintered, machined and double disc ground. Related methods of manufacture of this brake rotor component are also disclosed.