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High-strength durable car die material and preparation method thereof

An automobile mold, high-strength technology, applied in the field of high-strength and durable automobile mold materials and its preparation, can solve problems such as unsatisfactory strength, and achieve the effect of meeting requirements, excellent toughness and heat resistance

Inactive Publication Date: 2018-04-13
CHANGSHA QIUDIANBING INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the high-strength and durable automobile mold material of this invention has wear resistance, high temperature resistance and good toughness, its strength cannot meet the needs of repeated mold opening and closing

Method used

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  • High-strength durable car die material and preparation method thereof

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Effect test

preparation example Construction

[0020] The preparation method of the described high-strength and durable automobile mold material comprises the following steps:

[0021] S1. Add chromium ingot, iron block, carbon powder, copper powder, hafnium powder, molybdenum powder, nickel powder, tungsten block, titanium powder, cobalt powder, tantalum powder, sulfur powder, phosphorus powder, nano titanium carbide, nano tungsten carbide, Tungsten silicide and tungsten powder are smelted at 1400-1450°C to obtain alloy liquid, and then spheroidized, the temperature of spheroidized treatment is 1450-1550°C, and the time of spheroidized treatment is 25-45min;

[0022] S2. Carry out refining desulfurization and deoxidation to the alloy liquid after spheroidization treatment in S1, and perform detection. The alloy liquid includes the following components by weight percentage: Cr: 11-14%, Cu: 0.2-0.5%, Hf: 0.6-0.9 %, Ba: 0.4-0.8%, Ni: 2.5-3.5%, Mo: 3.5-5.5%, W: 0.2-0.6%, Co: 4-5%, Ta: 0.7-0.9%, Ti: 0.5-0.8% , P≤0.01%, S≤0.01...

Embodiment 1

[0026] A high-strength and durable automobile mold material, which includes the following raw materials in parts by weight: 22 parts of chromium ingot, 13 parts of iron block, 3.6 parts of carbon powder, 2.1 parts of copper powder, 4.2 parts of hafnium powder, 1.8 parts of molybdenum powder, nickel 2.3 parts of powder, 1.3 parts of tungsten block, 2.9 parts of titanium powder, 3.4 parts of cobalt powder, 1.8 parts of tantalum powder, 0.13 parts of sulfur powder, 0.21 parts of phosphorus powder, 4 parts of nano-titanium carbide, 6 parts of nano-tungsten carbide, and 1 part of tungsten silicide , 4 parts of tungsten powder.

[0027] The preparation method of the described high-strength and durable automobile mold material comprises the following steps:

[0028] S1. Add chromium ingot, iron block, carbon powder, copper powder, hafnium powder, molybdenum powder, nickel powder, tungsten block, titanium powder, cobalt powder, tantalum powder, sulfur powder, phosphorus powder, nano t...

Embodiment 2

[0032] A high-strength and durable automobile mold material, including the following raw materials in parts by weight: 29 parts of chromium ingot, 14.8 parts of iron block, 2.8 parts of carbon powder, 3.1 parts of copper powder, 2.9 parts of hafnium powder, 1.6 parts of molybdenum powder, nickel 2.4 parts of powder, 1.1 parts of tungsten block, 3.7 parts of titanium powder, 5.7 parts of cobalt powder, 3.4 parts of tantalum powder, 0.19 parts of sulfur powder, 0.26 parts of phosphorus powder, 8 parts of nano-titanium carbide, 3 parts of nano-tungsten carbide, and 1 part of tungsten silicide , 4 parts of tungsten powder.

[0033] The preparation method of the described high-strength and durable automobile mold material comprises the following steps:

[0034] S1. Add chromium ingot, iron block, carbon powder, copper powder, hafnium powder, molybdenum powder, nickel powder, tungsten block, titanium powder, cobalt powder, tantalum powder, sulfur powder, phosphorus powder, nano tita...

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Abstract

The invention discloses a high-strength durable car die material and a preparation method thereof, and belongs to the technical field of die material preparation. The high-strength durable car die material comprises the following raw materials including a chromium ingot, an iron block, carbon powder, copper powder, hafnium powder, molybdenum powder, nickel powder, a tungsten block, titanium powder, cobalt powder, tantalum powder, sulfur powder, phosphorus powder, nanometer titanium carbide, nanometer tungsten carbide, tungsten silicide and tungsten powder. The high-strength durable car die material is prepared through the steps of smelting, spheroidizing, refining desulfuration, deoxidation, pouring, heat treatment and the like. The high-strength durable car die material has excellent strength, hardness, toughness and heat resistant performance.

Description

【Technical field】 [0001] The invention belongs to the technical field of mold material preparation, and in particular relates to a high-strength and durable automobile mold material and a preparation method thereof. 【Background technique】 [0002] Steel is an alloy of iron with carbon, silicon, manganese and small amounts of other elements. At present, steel is used as the main material for making molds. The Chinese patent document "A High-Strength and Durable Automobile Mold Material and Its Preparation Method (Application No.: CN106756447A)" discloses a high-strength and durable automobile mold material and its preparation method. , the chemical composition according to the mass percentage is: Cr 8-10%, Cu0.1-0.2%, Hf 0.3-0.7%, Ba 0.2-0.5%, Ni 1-2%, Mo2-3%, W 0.03-0.08% , Co 2-4%, Ta 0.2-0.5%, Ti 0.4-0.7%, P≤0.02%, S≤0.02%, C2.5-2.7%. Although the high-strength and durable automobile mold material of the invention has wear resistance, high temperature resistance and good...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C37/08C22C37/04C22C33/08C21D5/00
CPCC22C37/08C21D5/00C22C33/08C22C37/04
Inventor 卯志华
Owner CHANGSHA QIUDIANBING INFORMATION TECH CO LTD
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