A process of forming an erosion, oxidation, and wear resistant shot chamber, either a gooseneck or a shot sleeve, is provided. The process utilizes a self-healing erosive wear resistant coating on a liner of refractory metal to serve as the working surfaces of a shot chamber. Such a shot chamber is expected to have an improved service life for die casting of corrosive metals and alloys, including hot chamber die casting of aluminum alloys. An improved hot dipping process using stirring in the molten metal bath is also disclosed.

A molding tool made of carbon or graphite, namely a casting mold or a casting core for the processing of molten metal or to a molding tool for the processing of molten glass, such as for example a blow mold and a method for producing the molding tool.

Disclosed herein are systems and methods for production and use of a casting mold for casting components. The casting mold comprises at least one casting mold frame made of metal and/or of an alloy, and also one or more ceramic casting mold inserts introduced into the at least one casting mold frame. The casting mold insert(s) have the negative contour or part of the negative contour of a component to be produced or of the combination of a component to be produced with one or more casting cores.

A diecasting tool has an insert for producing a cooled motor housing. The diecasting tool has mould halves including: a stationary mould half; and movable mould half. One of the mould halves has a cylindrically extending annular gap having a central axis. The moveable mould half is arranged so as to be movable parallel to the central axis. The insert is arranged in the cylindrically extending annular gap. The insert is a bush. One end of the bush projects into a mould cavity, which is formed by the stationary mould half and the movable mould half, and is at least partially surrounded in a form-fitting manner by the casting material in a state when the casting material is cast.

A heat dissipation mechanism for connecting with at least one heat source includes a main body and at least one heat dissipation block. The main body is made by a material of alloy or metal through a die casting process and has a first side and a second side that are corresponding to each other. The heat dissipation block is disposed on the first side of the main body, made by a first high thermal conductivity material, and having a connecting surface that protrudes outside the main body. The connecting surface directly or indirectly connects with the heat source. The heat dissipation block connects with the main body by means of a first connecting structure, the first connecting structure having a first pair of interlock structures that are disposed in the main body and the heat dissipation block respectively.

Disclosed are a die-casting die, a die-casting device and an ultra-high speed die-casting method. The die-casting die comprises a die body, the die body is arranged with a feed port, a pouring potion and a cavity portion, the pouring potion is arranged with a pouring runner communicating to the feed port, and the cavity portion is arranged with a molding cavity; the die body is arranged with a gate portion between the cavity portion and the pouring potion, the gate portion is arranged with an ingate runner communicating the molding cavity and the pouring runner, the ingate runner is a plurality of ingate runners, and each ingate runner is arranged in sequence in the width direction of a side of the gate portion facing the molding cavity; a communicating position between the ingate runner and the molding cavity is an ingate.

An object is to provide an alloy composition that has a sufficient melting point for casting of an aluminum alloy, also has high hardness, and can suppress an occurrence of galling. The alloy composition of the present invention includes: a Mo—Cr-based dendritic structure 3; and a Ni—Al-based interdendritic structure 5 that fills a periphery of the Mo—Cr-based dendritic structure 3. The alloy composition of the present invention can adopt a chemical composition I in which when Mo+Cr+Ni+Al=100 at. % holds, Ni+Al=15 to 50 at. % and Mo+Cr=50 to 85 at. % hold; or a chemical composition II in which Ni+Al=40 to 70 at. % and Mo+Cr=30 to 60 at. % hold.

The present disclosure relates to an aluminum alloy for die casting, more particularly, to an aluminum alloy for die casting which has high corrosion resistance, strength and castability. The embodiments of the present disclosure provide an aluminum alloy for die casting comprising a composition ratio having an aluminum (Al) content which occupies almost the composition ratio of the aluminum alloy; a magnesium (Mg) content of 2.5˜3.0%; a silicon (Si) content of 9.6˜0.5%; a zinc (Zn) content of 0.5% or less; and a copper (Cu) content of 0.15% or less.

The present invention relates to a steel for a mold, which has a composition containing, on % by mass basis: 0.35%≤C≤0.40%, 0.003%≤Si≤0.20%, 0.72%≤Mn≤0.94%, 5.65%≤Cr≤6.00%, 1.65%≤Mo≤2.00%, 0.71%≤V≤0.90%, and 0.001%≤N≤0.080%, with the balance being Fe and inevitable impurities.

The present application provides a hot-work die steel and a preparation method thereof wherein the chemical constituents of the hot-work die steel in mass percentage are as follows: C: 0.20-0.32 wt %, Si: ≤0.5 wt %, Mn: ≤0.5 wt %, Cr: 1.5-2.8 wt %, Mo: 1.5-2.5 wt %, W: 0.5-1.2 wt %, Ni: 0.5-1.6 wt %, V: 0.15-0.7 wt %, Nb: 0.01-0.1 wt %, and a balance of iron, wherein an alloying degree is 5-7%; a tensile strength of the hot-work die steel at 700° C. is 560-700 MPa; a value of hardness of the hot-work die steel at room temperature is 32-38 HRC after holding at 700° C. for 3-5 h; and the hot-work die steel has an elongation of 14% to 16% at room temperature, a percentage reduction of area of 48% to 65%, and an impact toughness of 52-63 J at room temperature. The hot-work die steel of the present application has an excellent thermal stability as well as a good plasticity and a toughness at room temperature.