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Wear-resistant white cast iron material and preparation method thereof

A technology of white cast iron and iron wire, applied in the field of metal materials, can solve the problems of brittle cementite and limited toughness of materials, and achieve the effects of low production cost, low material cost and simple preparation process

Inactive Publication Date: 2012-07-04
金湖中博物联网科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] But white iron is mainly composed of cementite, which is hard but brittle
Although the addition of rare earth can refine the carbide, it is limited to improve the toughness of the material

Method used

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  • Wear-resistant white cast iron material and preparation method thereof
  • Wear-resistant white cast iron material and preparation method thereof
  • Wear-resistant white cast iron material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Wire preparation:

[0031] The weight percentage of the chemical composition of the low carbon steel wire is: C is 0.09%, Si is 0.09%, Mn is 0.3%, P<0.02%, S<0.025%, and the rest is Fe. Low carbon steel wire diameter 1mm;

[0032] The weight percentage of the chemical composition of the iron wire is: C is 0.04%, Si is 0.2%, Mn is 0.25%, P<0.02%, S<0.025%, and the rest is Fe. Iron wire diameter 1mm;

[0033] The overall lengths of the above-mentioned iron wires and low-carbon steel wires are equivalent, and the volume percentage of the two metal wires, the low-carbon steel wires and the iron wires, is controlled to be 5%.

[0034] Preparation of boronized iron wire and nickel-plated low carbon steel wire:

[0035] Get above-mentioned iron wire and low-carbon steel wire, low-carbon steel wire is nickel-plated on its surface by conventional method, and the thickness of nickel-plated layer is 80 microns; Iron wire is boronized on its surface by conventional method, and t...

Embodiment 2

[0040] Raw material preparation:

[0041] The weight percentage of the chemical composition of the white cast iron material matrix is: C is 2.7%, Si is 1.9%, Mn is 0.7%, Zr is 2%, P<0.08%, S<0.25%, and the rest is Fe.

[0042] Preparation of boronized iron wire and nickel-plated low carbon steel wire:

[0043] The weight percentage of the chemical composition of the low carbon steel wire is: C is 0.2%, Si is 0.12%, Mn is 0.35%, P<0.02%, S<0.025%, and the rest is Fe. Low carbon steel wire diameter 1.5mm;

[0044]The weight percentage of the chemical composition of iron wire is: C is 0.06%, Si is 0.3%, Mn is 0.35%, P<0.02%, S<0.025%, and the rest is Fe. Iron wire diameter 1.5mm;

[0045] The overall length of the iron wire and the low-carbon steel wire used is equivalent, and the volume percentage of the two metal wires is controlled to be 40% of the material; the surface of the iron wire and the low-carbon steel wire is boronized and nickel-plated respectively according to t...

Embodiment 3

[0048] Raw material preparation:

[0049] The weight percentage of the chemical composition of the white cast iron material matrix is: C is 2.6%, Si is 1.7%, Mn is 0.56%, Zr is 0.9%, P<0.08%, S<0.25%, and the rest is Fe.

[0050] Preparation of boronized iron wire and nickel-plated low carbon steel wire:

[0051] The weight percentage of the chemical composition of low carbon steel wire is: C is 0.1%, Si is 0.1%, Mn is 0.32%, P<0.02%, S<0.025%, and the rest is Fe. Low carbon steel wire diameter 1.5mm;

[0052] The weight percentage of the chemical composition of the iron wire is: C is 0.05%, Si is 0.25%, Mn is 0.3%, P<0.02%, S<0.025%, and the rest is Fe. Iron wire diameter 2mm;

[0053] The overall length of the iron wire and the low-carbon steel wire is equivalent, and the volume percentage of the two kinds of metal wires is 25%; the surface of the iron wire and the low-carbon steel wire is boronized and nickel-plated according to the conventional method; boronized iron wi...

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Abstract

The invention provides a wear-resistant white cast iron material and a preparation method thereof. The material has favorable properties, and the preparation method is simple in process, low in production cost and suitable for industrial production. The wear-resistant white cast iron material takes white cast iron as a substrate, and metal wire balls formed by iron wires and mild steel wires are distributed in the substrate, wherein the diameters of the iron wires and the mild steel wires are 1-2mm, the iron wires and the mild steel wires account for 5-40% of the material in volume percent, and the diameters of the metal wire balls are 10-15cm.

Description

technical field [0001] The invention belongs to the field of metal materials, and relates to a wear-resistant white cast iron material and a preparation method. Background technique [0002] In the field of metal materials, wear-resistant cast iron has been widely valued as a low-cost wear-resistant material. [0003] CN200810243269.7 application relates to a low-alloy white cast iron, its chemical composition is: carbon 3.5-3.8%, silicon 1.5-1.9%, manganese greater than 0, less than or equal to 1.0%, phosphorus less than 0.05%, sulfur less than 0.02%, Chromium is greater than 0 and less than or equal to 1.0%, and the balance is iron and unavoidable trace impurity elements; the unit is percent by weight. [0004] CN201010158988.6 application discloses a high-toughness and wear-resistant white iron, its chemical composition is (weight%): C: 2.0-4.0, Si: 1.0-2.5, Mn: 0.2-0.8, Cr: 1.0-15.0, Ni: 2.0-8.0, Mo: 0.1-0.4, Dy: 0.1-0.2, Y: 0.1-0.2, S and P≤0.06, and the rest is Fe. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C47/02C22C47/08C22C49/08C22C49/14C22C37/10C22C111/00C22C121/02
Inventor 赵浩峰王玲易亮
Owner 金湖中博物联网科技有限公司
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