Abstract: The present invention relates to PVD coated cemented carbide cutting tool inserts semifinishing and finishing metal cutting operations. The cemented carbide cutting tool insert comprises a substrate and a wear resistant coating. The substrate comprises in addition to WC, from about 5.5 to about 8.5 wt-% Co and Cr such that the Cr/Co weight ratio is from about 0.08 to about 0.12 and also small amounts of Ti and Ta. The wear resistant coating is a homogeneous AlxTi1?xN-layer with x equals from about 0.6 to about 0.67. The thickness of this layer is from about 1 to about 3.8 ?m.

Abstract: The present invention relates to a cuffing insert for turning in heat resistant superalloys and stainless steels comprising a very fine grained hard substrate and a coating. The substrate comprises WC from about 5 to about 8 wt % Co and from about 0.3 to about 1.5 wt % Cr. In addition to that ppm levels of Ti and Ta are present. The ratio of Me/Co=(at-% Ti+ at-% Nb+ at-% Ta)/at-% Co is lower than or equal to about 0.014?(CW_Cr)*0.008 and higher than about 0.0005. The average sintered WC-grain size is from about 0.5 to about 0.95 ?m and CW_Cr from about 0.75 to about 0.95. The cemented carbide body is coated with a PVD TixAl1-xN-coating with an average composition of x being greater than about 0.4 but less than about 0.9, present as a single or multilayer coating with a total thickness of from about 1 to about 6 ?m.

Abstract: A fuel cell component, such as an interconnect for solid oxide fuel cells, consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The fuel cell component is produced by providing the different layers, preferably by coating, and thereafter oxidising to accomplish a conductive surface layer comprising a complex metal oxide structure.

Abstract: The present invention relates to a cutting tool insert for parting, grooving and threading in steel and stainless steels comprising a substrate and a coating. The substrate comprises WC, from about 7.5 to about 10.5 wt-% Co, from about 0.7 to about 1.1 wt-% Cr and from about 100 to about 300 ppm Ti. Ti may partly be replaced by Ta to a weight ratio Ti/Ta of equal to or more than about 0.8. The coating comprises two (Ti,Al)N-layers with different Al/Ti-ratios: an inner AlyTi1-yN-layer with y equals from about 0.4 to about 0.67 with a thickness of from about 0.3 to about 2.5 ?m and an outer AlwT1-wN layer with w equals from about 0.15 to about 0.35 with a thickness of from about 0.5 to about 5.0 ?m.

Abstract: An indexable cutting insert has at least first and second cutting edges and first and second edge-location surfaces associated with the first and second cutting edges, respectively. The insert-manufacturing procedure includes forming the first edge-location surface with reference to the first cutting edge, and then forming the second edge-location surface with reference to the second cutting edge. There results an indexable cutting insert having at least two spaced-apart chip-removing cutting edges and a plurality of location surfaces adapted to engage a base body for determining the spatial positions of respective cutting edges, wherein each location surface determines the spatial position of no more than one of the cutting edges.

Abstract: A method of handling liquid non-ferrous metals after smelting. The liquid metal is in contact with a solid refractory material, and in the absence of electrical currents passing through the liquid-metal-contacting surfaces. The solid material is Ti3SiC2. The liquid non-ferrous material can be aluminum or an aluminum alloy, magnesium or a magnesium alloy, or other non-ferrous materials as to which the Ti3SiC2 material is stable.

Abstract: Support pad for a long hole drill head wherein the support pad includes a base body with a bottom surface, at least one side surface and a top surface. The top surface is arranged to function as a wear surface and is defined by a titanium-free wear-resistant coating, whereas the remaining surfaces of the support pad are defined by a titanium-containing wear-resisting coating.

Abstract: A method of reducing the oxygen content of a powder is provided. A canister is prepared with a getter, filled with the powder to be densified, sealed and evacuated. The canister is subjected to a hydrogen atmosphere at an elevated temperature whereby hydrogen diffuses into the canister through the walls thereof. The hydroge forms moisture when reacted with the oxygen of the powder and the moisture in the reacted with the getter in order to remove oxygen from the powder to the getter. The atmosphere outside the canister is then altered to an inert atmosphere or vacuum, whereby hydrogen diffuses out of the canister. A dense body having a controlled amount of oxygen can thereafter be produced by conventional powder metallurgy techniques.

Abstract: A method of supporting vertically hanging electrical resistance elements for heating furnaces or ovens in industrial operations. Each resistance element includes current-conducting legs that extend downward and upward a number of times, and the element includes along its length a number of ceramic discs that are provided with through-holes through which respective element legs extend. The upper part of the element merges with terminals that are connected to a source of electric current. The element is supported by at least one of the uppermost ceramic discs, wherein the uppermost ceramic disc supporting the element is placed in the insulation of the furnace roof above the underside of the roof. The legs of the element are short circuited at a location slightly or somewhat beneath the underside of the furnace roof with the aid of short circuiting plates.

Abstract: A rock drilling bit includes at least one button having a button sidewall and button bottom, the button sidewall and the button bottom having a button sidewall geometry and a button bottom geometry, respectively. The rock drilling bit further comprises a bit body having at least one button-receiving hole having a hole sidewall and a hole bottom, the hole sidewall and the hole bottom having a hole sidewall geometry complementary to the button sidewall geometry and a hole bottom geometry, and a deformable seat compressed between the buttom bottom and the hole bottom so that the seat conforms to a hole bottom geometry and the button bottom geometry. The seat comprises tin.

Abstract: Coated milling inserts particularly useful for milling of grey cast iron with or without cast skin under dry conditions at generally high cutting speeds and milling of nodular cast iron and compacted graphite iron with or without cast skin under dry conditions at rather high cutting speeds are disclosed. The inserts are characterised by a WC—Co cemented carbide with a low content of cubic carbides and a highly W-alloyed binder phase and a coating including an inner layer of TiCxNy with columnar grains followed by a wet blasted layer of ?-Al2O3.

Abstract: A turning insert includes a chip-breaking surface and first and second clearance surfaces located at a corner of the insert. First and second edges are formed at a junction of the chip-breaking surface and the first and second clearance surfaces, respectively. The first edge defines a major cutting edge, and the second edge defines a finishing cutting edge. The major cutting edge is straight and transforms into the second edge by a sharp transition.

Abstract: A cutting insert preferably for milling of extremely highly alloyed grey cast iron, of a substrate and a coating and methods of making and using the insert are disclosed. The cemented carbide substrate includes WC, of from about 3 to about 8 weight-% Co and less than about 0.5 weight-% carbides of metals from groups IVb, Vb or VIb of the periodic table. The coating has a first, innermost layer of TiCxNyOz with x+y+z=1, y>x and z less than about 0.2, preferably y greater than about 0.8, and z=0, with equiaxed grains with size less than about 0.5 ?m and a total thickness of from about 0.1 to about 1.5 ?m, a layer of TiCxNy with x+y=1, x greater than about 0.3 and y greater than about 0.3, preferably x greater than or equal to about 0.5, with a thickness of greater than about 3 to about 5 ?m with columnar grains with an average diameter of less than about 5 ?m, a layer of a smooth, fine-grained, grain size of from about 0.5 to about 2 ?m, ?-Al2O3 with a thickness of from about 0.

Abstract: Coated milling inserts particularly useful for milling of highly alloyed grey cast iron with or without cast skin under wet conditions at preferably rather high cutting speeds and milling of nodular cast iron and compacted graphite iron with or without cast skin under wet conditions at moderate cutting speeds are disclosed. The inserts are characterised by a WC—Co cemented carbide with a low content of cubic carbides and a highly W-alloyed binder phase and a coating including an inner layer of TiCxNy with columnar grains followed by a layer of ?-Al2O3 and a top layer of TiN.

Abstract: A cemented carbide cutting tool insert/button for mining and construction comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the smaller grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool insert/button is also disclosed.

Abstract: A precipitation hardenable stainless chromium nickel steel is disclosed having the following composition in weight %: C max 0.07 Si max 1.5 Mn 0.2-5?? S 0.01-0.4? Cr 10-15 Ni ?7-14 Mo 1-6 Cu 1-3 Ti 0.3-2.5 Al 0.2-1.5 N max 0.1 balance Fe and normally occurring impurities.

Abstract: A parting blade having a flat, elongate body, which is delimited by two opposite side surfaces and has two opposite longitudinal edges which are mutually parallel and present chamfered surfaces for wedging the body in a holder, and which includes at least one insert seat formed adjacent to an end, the position of which seat in relation to a longitudinal edge determines the tip height of a turning insert mounted in the insert seat. An attachment part is formed on one of the side surfaces of the blade body. The attachment part is shorter and thinner than the proper blade body and has two opposite longitudinal edges which are mutually parallel and present chamfered surfaces for wedging the attachment part in another holder. In this way, the parting blade can be formed for robust, wide turning inserts and in spite of this be mounted in holders intended for considerably thinner parting blades.

Abstract: An indexable milling insert includes opposite top and bottom sides between which a peripheral clearance surface extends, and two opposite cutting edges formed in the transition between the top side and the clearance surface. Each of the cutting edges includes a substantially straight portion connected with a straight section of the clearance surface, and further includes a curved portion connected with a convexly arched section of the clearance surface. A coupling including one or more male- and/or female-like engagement members is located along said clearance surface. Furthermore, the milling insert may be used with a shim plate for attachment to a milling tool.

Abstract: The present application relates to an alloy for use at high temperature. The invention is characterized in that the alloy consists principally of Ni, Cr and Fe and in that the alloy has a principal composition such that the levels of the elements Fe, Si, C, Nb and Mo lie within the following intervals, given in percentage by weight: Fe 5-13 Si 1-3 C <0.1 Nb <0.2 Mo <1.0 and in that Ni comprises the balance, while its level does not exceed 69% and in that the level of Cr is greater than Cr=15% and in that it is less than the lower of the two values Cr=5*Si?2.5*Fe +42.

Abstract: The present invention relates to a method of machining a metal work piece with a coated cutting tool insert having a cemented carbide body and a coating deposited as monolayer(s) or as multiple and/or alternating layers. The coating has a total thickness of from about 25 to about 75 ?m and the machining is performed at a cutting speed of greater than about 600 m/min, preferably from about 800 to about 1500 m/min. The invention also relates to a coated cutting tool useful for such machining operation.