CN101886199A - Magnesium alloy formula of starter housing - Google Patents

Abstract

The invention relates to a magnesium alloy formula of a starter housing, which contains magnesium, aluminum, zinc, manganese, rare earth, iron, silicon, copper and nickel and does not contain calcium and strontium. AZ91D (magnesium alloy) is used for making a starter front cover, the quality is only 0.4kg, the cutting process is easy, no dust exists, and the labor intensity of workers is low. The starter front cover is made of magnesium alloy materials, thus the weight of each starter can be lightened by 2kg, the cutting process is easy, no dust exists, and the labor intensity of workers is low. The magnesium alloy has very high specific strength and specific stiffness (only inferior to titanium alloy and in the second place in metallic materials), good damping and shock absorption properties, good thermal conductivity, strong electromagnetic shielding capacity and good compatibility with the environment, and can be recovered easily. According to statistics, when the self-weight of an automobile is reduced by 10%, the fuel consumption can be reduced by 5.5%, the fuel economy can be improved by 3%-5%, and simultaneously, the emission can be reduced by about 10%. The invention has practical significance of saving energy sources and reducing environmental pollution.

Description

Magnesium alloy formula of starter housing

Technical field

The present invention relates to a kind of starter housing.

Background technology

The used material of starter front cover mostly is cast iron, and quality is more than 2.5kg, and difficulty of processing is big, and dust is arranged, and labor strength is big.

Summary of the invention

The purpose of this invention is to provide a kind of magnesium alloy formula of starter housing, the problem that the starter front cover quality that solves the production of employing cast iron materials is big, difficulty of processing big, dust is arranged, labor strength is big.

The objective of the invention is to be achieved through the following technical solutions:

Magnesium alloy formula of starter housing, magnesium alloy formula of starter housing, the composition of employing comprises magnesium, aluminium, zinc, manganese, rare earth, iron, silicon, copper, nickel, not calcic, strontium.

The mass fraction of each composition is:

73.03≤magnesium≤77.41,5.6≤aluminium≤6.5,0.1＜zinc＜0.2,0.28≤manganese≤0.40,0.40＜rare earth＜0.80,0.002＜iron≤0.004,0.04＜silicon＜0.08,0.001＜copper＜0.003,0＜nickel＜0.001.

Further, the mass fraction of each composition is:

Magnesium 75.13, aluminium 6.0, zinc 0.15, manganese 0.3, rare earth 0.6, iron 0.003, silicon 0.06, copper 0.002, nickel 0.0008;

Magnesium 76.62, aluminium 6.4, zinc 0.11, manganese 0.35, rare earth 0.7, iron 0.0025, silicon 0.06, copper 0.002, nickel 0.0006;

Magnesium 74.39, aluminium 5.8, zinc 0.18, manganese 0.35, rare earth 0.5, iron 0.0035, silicon 0.06, copper 0.002, nickel 0.0004.

Adopt AZ91D (magnesium alloy) to do the starting engine protecgulum, quality has only 0.4kg, easily cutting, and no dust, labor strength is low.

Starter front cover adopts each starting function of magnesium alloy materials to alleviate quality 2kg. and easily cuts, no dust, and labor strength is low.

Magnesium alloy has very high specific tenacity and specific rigidity (be only second to titanium alloy and be positioned at second in metallic substance), and the damping shock absorption performance is good, thermal conductivity is good, the electromagnetic shielding ability is strong, and reclaims easily, and is good with environment compatibility,

According to statistics, the every minimizing 10% of automotive dead weight, oil consumption can reduce 5.5%, and fuel economy can improve 3%-5%, reduces discharging about 10% simultaneously.This reduces the environmental pollution aspect and all is of practical significance save energy.

Embodiment

Magnesium alloy formula of starter housing, magnesium alloy formula of starter housing, the composition of employing comprises magnesium, aluminium, zinc, manganese, rare earth, iron, silicon, copper, nickel, not calcic, strontium.

The mass fraction of each composition is:

73.03≤magnesium≤77.41,5.6≤aluminium≤6.5,0.1＜zinc＜0.2,0.28≤manganese≤0.40,0.40＜rare earth＜0.80,0.002＜iron≤0.004,0.04＜silicon＜0.08,0.001＜copper＜0.003,0＜nickel＜0.001.

Further, the mass fraction of each composition is:

Magnesium 75.13, aluminium 6.0, zinc 0.15, manganese 0.3, rare earth 0.6, iron 0.003, silicon 0.06, copper 0.002, nickel 0.0008;

Magnesium 76.62, aluminium 6.4, zinc 0.11, manganese 0.35, rare earth 0.7, iron 0.0025, silicon 0.06, copper 0.002, nickel 0.0006;

Magnesium 74.39, aluminium 5.8, zinc 0.18, manganese 0.35, rare earth 0.5, iron 0.0035, silicon 0.06, copper 0.002, nickel 0.0004.

Adopt AZ91D (magnesium alloy) to do the starting engine protecgulum, quality has only 0.4kg, easily cutting, and no dust, labor strength is low.

Starter front cover adopts each starting function of magnesium alloy materials to alleviate quality 2kg. and easily cuts, no dust, and labor strength is low.

Magnesium alloy has very high specific tenacity and specific rigidity (be only second to titanium alloy and be positioned at second in metallic substance), and the damping shock absorption performance is good, thermal conductivity is good, the electromagnetic shielding ability is strong, and reclaims easily, and is good with environment compatibility,

According to statistics, the every minimizing 10% of automotive dead weight, oil consumption can reduce 5.5%, and fuel economy can improve 3%-5%, reduces discharging about 10% simultaneously.This reduces the environmental pollution aspect and all is of practical significance save energy.

Claims (6)

1. magnesium alloy formula of starter housing, the composition of employing comprises magnesium, aluminium, zinc, manganese, rare earth, iron, silicon, copper, nickel, not calcic, strontium.

2. prescription according to claim 1 is characterized in that, the mass fraction of each composition is:

73.03≤magnesium≤77.41,5.6≤aluminium≤6.5,0.1＜zinc＜0.2,0.28≤manganese≤0.40,0.40＜rare earth＜0.80,0.002＜iron≤0.004,0.04＜silicon＜0.08,0.001＜copper＜0.003,0＜nickel＜0.001.

3. prescription according to claim 2 is characterized in that, the mass fraction of each composition is:

Magnesium 75.13, aluminium 6.0, zinc 0.15, manganese 0.3, rare earth 0.6, iron 0.003, silicon 0.06, copper 0.002, nickel 0.0008.

4. prescription according to claim 2 is characterized in that, the mass fraction of each composition is:

Magnesium 76.62, aluminium 6.4, zinc 0.11, manganese 0.35, rare earth 0.7, iron 0.0025, silicon 0.06, copper 0.002, nickel 0.0006.

5. prescription according to claim 2 is characterized in that, the mass fraction of each composition is:

Magnesium 74.39, aluminium 5.8, zinc 0.18, manganese 0.35, rare earth 0.5, iron 0.0035, silicon 0.06, copper 0.002, nickel 0.0004.