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Nodular cast iron engine crankshaft containing titanium alloy

A technology of nodular cast iron and engine, which is applied in the direction of crankshaft, anti-centrifugal force rotating parts, shaft, etc., and can solve the problem of not very skilled ductile iron technology

Inactive Publication Date: 2018-12-18
HANSHAN COUNTY XINGDA DUCTILE IRON FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cast iron is a common material in the production of industrial equipment. According to different needs, the composition of different alloys has been designed to achieve the corresponding functions. However, the existing cast iron technology, especially the ductile iron technology is not very proficient.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A spheroidal graphite cast iron engine crankshaft containing titanium alloy is composed of the following raw materials in parts by weight: 1.5 parts of ferrosilicon, 2.3 parts of lanthanum rare earth, 7 parts of rare earth, 3.7 parts of manganese, and 1.2 parts of titanium , 2.3 parts of yttrium oxide, 0.4 parts of tantalum, 0.7 parts of gadolinium oxide, 1.3 parts of tellurium, 0.8 parts of pure ingot, 1.3 parts of rare earth ferrosilicon alloy, 0.7 parts of platinum, and 0.7 parts of aluminum 2.5 parts, 1.3 parts nickel, 0.4 parts zirconium, 1.4 parts molybdenum and 3 parts iron.

Embodiment 2

[0014] The above-mentioned nodular cast iron engine crankshaft containing titanium alloy has the following raw materials in parts by weight: 2.5 parts of ferrosilicon, 2.8 parts of lanthanum rare earth, 12 parts of rare earth, 4.5 parts of manganese and 4.5 parts of titanium 1.6 parts, 2.7 parts of yttrium oxide, 0.9 parts of tantalum, 1.5 parts of gadolinium oxide, 1.8 parts of tellurium, 1.5 parts of pure ingot, 1.7 parts of rare earth ferrosilicon alloy, 1.5 parts of platinum, Aluminum accounts for 4.5 percent, nickel accounts for 1.7 percent, zirconium accounts for 0.8 percent, molybdenum accounts for 1.9 percent, and iron accounts for 8 percent.

Embodiment 3

[0016] The above-mentioned nodular cast iron engine crankshaft containing titanium alloy has the following raw materials in parts by weight: 2 parts of ferrosilicon, 2.55 parts of lanthanum rare earth, 9.5 parts of rare earth, 4.1 parts of manganese and 4.1 parts of titanium 1.4 parts, 2.5 parts of yttrium oxide, 0.65 parts of tantalum, 1.1 parts of gadolinium oxide, 1.55 parts of tellurium, 1.15 parts of pure ingot, 1.5 parts of rare earth ferrosilicon alloy, 1.1 parts of platinum, Aluminum 3.5 percent, nickel 1.5 percent, zirconium 0.6 percent, molybdenum 1.65 percent and iron 5.5 percent.

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PUM

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Abstract

The invention discloses a nodular cast iron engine crankshaft containing a titanium alloy. The nodular cast iron engine crankshaft containing the titanium alloy comprises, by weight, 1.5-2.5 parts offerrosilicon, 2.3-2.8 parts of lanthanum rare earth, 7-12 parts of rare earth, 3.7 -4.5 parts of manganese and 1.2-1.6 parts of titanium, 2.3-2.7 parts of yttrium oxide, 0.4-0.9 parts of tantalum, 0.7-1.5 parts of gadolinium oxide, 1.3-1.8 parts of tellurium, 0.8-1.5 parts of pure American ingot, 1.3-1.7 parts of rare earth ferrosilicon alloy and 0.7-1.5 parts of platinum, 2.5-4.5 parts of aluminum, 1.3-1.7 parts of nickel, 0.4-0.8 parts of zirconium, 1.4-1.9 parts of molybdenum and 3-8 parts of iron. The nodular cast iron can accurately design the proportion of each component, so that the nodular cast iron with higher plasticity and toughness is achieved.

Description

technical field [0001] The invention relates to the related technical field of ductile iron, in particular to a titanium alloy-containing ductile iron engine crankshaft. Background technique [0002] Cast iron is a common material in the production of industrial equipment. According to different needs, the composition of different alloys has been designed to achieve the corresponding functions. However, the existing cast iron technology, especially the ductile iron technology, is not very proficient. Contents of the invention [0003] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a titanium alloy-containing nodular cast iron engine crankshaft. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] A nodular cast iron engine crankshaft containing titanium alloy, comprising the following raw materials in parts by weight: 1.5-2.5 parts of ferrosilicon, 2.3-2.8 p...

Claims

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Application Information

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IPC IPC(8): C22C37/04C22C37/10F16C3/06
CPCC22C37/04C22C37/10F16C3/06F16C2204/60
Inventor 张福新
Owner HANSHAN COUNTY XINGDA DUCTILE IRON FACTORY