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Extrusion die for preparing nickel alloy bar and preparation method

A technology of extrusion die and nickel alloy, which is applied in the field of extrusion die and preparation of nickel alloy rods, can solve the problems of poor economy and formability, achieve the effects of optimizing microstructure, reducing processing difficulty, and improving yield

Active Publication Date: 2021-06-11
LANZHOU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the above-mentioned problems in the prior art, the present invention provides an extrusion die for preparing nickel alloy rods and a preparation method, which solves the problems of poor economy and poor formability of hot-extruded nickel alloy rods in the prior art

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  • Extrusion die for preparing nickel alloy bar and preparation method
  • Extrusion die for preparing nickel alloy bar and preparation method
  • Extrusion die for preparing nickel alloy bar and preparation method

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Embodiment Construction

[0022] Specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0023] Such as figure 1 As shown, the extrusion die for preparing nickel alloy rods includes a heating seat 2 that is connected to the fixed seat 1 through a taper surface, and a heating coil 21 is wound around the heating seat 2, and a heating coil 21 is connected to the heating seat 2 through a taper surface. Two halves of the extrusion cylinder 3, the extrusion cylinder 3 is provided with a connected and columnar silo 31 and a m...

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Abstract

The invention provides an extrusion die for preparing a nickel alloy bar and a preparation method, and relates to the technical field of nickel alloy bar machining. The extrusion die comprises a heating base connected into a fixing base in a conical surface fit mode, a heating coil is wound in the heating base, and a two-half type extrusion cylinder is connected into the heating base in a conical surface fit mode. A cylindrical stock bin and a cylindrical forming channel which communicate with each other are arranged in the extrusion cylinder, a male die fixed to a movable die plate can enter the stock bin along with movement of the movable die plate and extrude a nickel alloy material into the forming channel, a non-contact thermodetector is arranged close to the stock bin, and the forming channel penetrates through the extrusion cylinder and the bottom end of the heating base. The problem that in the prior art, a hot extrusion nickel alloy bar is poor in economical efficiency and formability is solved.

Description

technical field [0001] The invention relates to the technical field of processing nickel alloy rods, in particular to an extrusion die for preparing nickel alloy rods and a preparation method. Background technique [0002] Nickel alloys refer to alloys in which nickel metal accounts for not less than 50% of the weight of the entire alloy, and common ones include Ni, Ni-Fe, Ni-Cu, Ni-Cr-Co-Mo, etc. Nickel alloys are widely used in the manufacture of components in nuclear power plants, chemicals, aerospace, ships and soda industries due to their excellent acid and alkali resistance, as well as excellent strength and oxidation resistance. At present, the obtaining of nickel alloy rods mainly depends on warm extrusion and hot extrusion forming. Because the extrusion process is carried out under complex high temperature and high pressure, and the special temperature-sensitive characteristics and large deformation resistance of nickel alloys, resulting in During the extrusion pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C25/02B21C27/00B21C29/04B21C23/21B21C23/08
CPCB21C25/02B21C27/00B21C29/04B21C23/21B21C23/08
Inventor 贾智汪彦江姬金金刘德学孙璇魏保林郭廷彪丁雨田
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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