Magnesium Alloys Are Used In Automobile Wheels, Automobile Engines, Automobile Bodies, Automobile Frames Other Parts.

1. Advantages Of Magnesium Alloys

Magnesium Alloy Has Very Unique Advantages In The Production Of Automotive Parts. It Is A Relatively Light Alloy Material Among Metal Alloys, Has The Advantages Of Low Density, Strong Rigidity, Good Vibration Absorption Noise Reduction Performance, Perfect Casting Performance. It Has Become A Green Manufacturing Material In The New Era. It Has Been Widely Used In The Design Of Automobile Engines , Wheel Hubs, Bodies, Brackets Other Parts, Is The Main Research Direction For Subsequent Material Processing. In The Early Construction Management Of Magnesium Alloy, Its Later Manufacturing, Processing Assembly Are Complicated. It Is Used In Large Quantities In The Automotive Industry, It Is Developing At A Growth Rate Of 20%, Which Has Far Exceeded The Number Of Other Metal Alloys Used.

2. Basic Characteristics Of Magnesium Alloys In The Automotive Field

2.1 Lightweight Energy-Saving

Magnesium Alloy Materials Are Mainly Used In The Production Of Automobile Parts. They Can Reduce The Quality Weight Of Automobiles To A Certain Extent Improve The Economic Efficiency Of Automobile Operation. The Actual Weight Reduction Effect Is Much Better Than Other Metal Materials. The Gasoline Consumption Of Automobiles Is Also Less Than That Of Other Alloy Materials. It Can Play An Environmental Protection Energy-Saving Effect, Fundamentally Increase The Proportion Of Alloys In Automobiles, Improve The Overall Lightweight Of Automobiles. Because Its Automobile Operation Is More Reliable, Its Automobile Failure Rate On The Road Will Be Reduced, Which Will Indirectly Improve The Subsequent Automobile Scrapping Rate Enhance Its Actual Utility. Due To Its Lightweight Advantage In The Use Of This Alloy Material, Its Application Field Has Been Extended To Different Needs. In This Regard, It Is Necessary To Timely Organically Process It To Achieve Internal Rational Distribution Systematic Improvement.

2.2 Safety Ease Of Operation

Magnesium Alloy Materials Have Excellent Vibration Damping Performance A Large Load Bearing Capacity. When Subjected To External Impact, The Impact Force Of Its Basic Alloy Material Is Much Higher Than That Of Other Alloy Metal Materials. It Can Also Reduce Artificial Fatigue Caused By Factors Such As Vibration Noise To A Certain Extent, Reduce Vibration Pressure. Automobile Seats, Steering Wheels Other Parts Made Of Magnesium Alloy Only Have The Ability To Reduce Weight But Also Have The Ability To Suppress Vibration, Which Has A Significant Effect On Reducing External Noise. In Addition, The External Shell Of The Car Has High Airtightness Is Dispersed To External Impact Force, Which Can Absorb More Energy, Effectively Reduce The Degree Of Depression Of The Car Shell, Improve The Safety Comfort Of Car Operation [1].

2.3 Rich Resources Low Cost

The Content Of Magnesium In The Earth's Crust Is High, Its Resource Supply Is Abundant. Because It Is A Renewable Resource, Its Basic Mechanical Properties Change Little. During Alloy Casting, Multiple Parts Of The Casting Can Be Assembled At The Same Time, So As To Improve The Production Efficiency Of Subsequent Parts, Reduce Assembly Errors Production Costs, Reduce Energy Consumption, Have Low Smelting Costs. Due To The Long Service Life Low Cost Of This Alloy Material, It Has Been Widely Recognized By All Sectors Of Society At This Stage. It Requires More Diverse Design Requirements To Convert Process Its Objects, Reduce Resource Energy Consumption, Reasonably Innovate The Production Methods Of Automotive Accessories To Improve The Use Effect Of Alloy Materials.

3. Analysis Of The Application Of Magnesium Alloys In Automotive Parts

3.1 Application In Automobile Wheels

The Automobile Wheel Hub Is An Important Part Of The Automobile Tire. It Is A Cylindrical Metal Component Centered On The Axle To Support The Tire. It Connects The Brake Disc, Wheel Disc Half-Axle In A New Way, So That The Overall Body Quality Can Be Improved, The Heat Of The Tire Can Be Reduced, The Original Power Construction Of The Car Can Be Enhanced. Among Them, Magnesium Alloy May Have Internal Elastic Deformation Of The Shape When Receiving Load, But Its Recovery Effect Is Fast The Buffering Decompression Effect Is Strong. The Anti-Bumping Ability Of The Magnesium Alloy Wheel Hub Inside Is Much Better Than That Of Other Alloy Materials, The Stability Comfort Of The Car Are Good. It Has Been Widely Recognized In The Production Of Automobile Parts. Since The Internal Blank Stress Area Changes With The Progress Of Forging, The Stress In The Wheel Hub Window Area Is Large, The Fillet Of The Window Area Is Prone To Forming Defects, The Temperature Is Regionalized, With High Fluctuation Temperature In The Middle Low Temperature In The Periphery. Since The Cooling Device In The Automobile Wheel Hub Mold Plays An Important Role In Improving The Cooling Effect Of The Rim Spoke, The Hot Spots At The Connection Will Be Reduced The Product Quality Will Be Improved. The Use Of Superplastic Die-Forged Magnesium Alloy Automobile Wheels As Standard Equipment For Automobile Parts Will Improve The Tensile Effect Of The Basic Magnesium Alloy Wheels, Increase The Tensile Strength Of The Transverse Radial Ribs, Enhance Plasticity, Make The Quality Of The Alloy Material Significantly Higher Than Other Materials [2].

3.2 Application In Automobile Engines

The Engine Is The Original Power Part Of The Car, Which Is Closely Related To The Power Environmental Protection Of The Car. The Excellent Performance Of Magnesium Alloy Can Be Applied To Various Parts Of The Engine, Which Can Significantly Reduce The Weight Of The Engine, Significantly Reduce The Vibration Noise Of The Engine, Extend The Service Life Of The Machine Equipment. Since Magnesium Alloy Has A Stronger Corrosion Potential Than Steel, Aluminum Zinc, The Electrochemical Corrosion It Produces Is Also Relatively Serious. The Use Of Insulating Gaskets Sealants Can Apply A Passivation Coating On The Contacting Bolts Screws To Reduce The Risk Of Electrocorrosion, Enhance The Strength Stiffness Of Magnesium Alloy, Understand The Natural Frequency Vibration Mode State Of The Motor Equipment Under The Constrained State, Reduce The Vibration Characteristics Of The Automobile Engine, Shorten The Engine Design Cycle, Reduce The Related Errors In The Engine Design, Improve The Design Quality Of Magnesium Alloy Automobile Engines [3]. When Applying It In The Automobile Engine, It Is Necessary To Ensure That The Internal Body Quality Is Improved So That It Meets The Relevant Standards Stipulated By China Improves The Actual Efficiency Of The Body Operation. At Present, Some Units In China Have Implemented The National Standards In The Surveying Mapping Of Magnesium Alloy Wheels, But Only Operate According To Regulations, Ignoring The Size Tolerance Of The Fixed Engine, Which Brings Troubles To The Subsequent Use Of The Tire. When Designing Materials, It Is Also Necessary To The Correct Structural Materials. The Quality Inspection Effect Of The Materials Cannot Be Improved By Increasing The Wall Thickness Of The Materials. Therefore, It Is Necessary To Effectively Analyze The Design Structure Of The Engine Wheel, Learn The Advantages Of Other Engine Designs, Improve Its Basic Design Results.

3.3 Application In Automobile Body

The Body Is An Important Supporting Skeleton Design Of The Car. It Can Create A Suitable Riding Environment For The Driver Passengers, Reduce The Impact Of The External Environment, Improve The Vibration Effect During Driving, Reduce The Invasion Of Noise Exhaust Gas. Due To The Light Material Properties Low Elastic Modulus Of Magnesium Alloy, Compared With Other Metal Materials, Its Internal Vibration Absorption Is Strong, The Shock Noise Reduction Effect Is High, Which Has Been Widely Recognized By All Sectors Of Society. Using Magnesium Alloy Instead Of Steel To Make The Body Can Significantly Reduce The Weight Of The Body, Speed Up The Vehicle's Driving Speed, Improve The Design Feasibility Of Its Magnesium Alloy Body, Improve The Durability Safety Performance Of The Front Of The Car. The Integral Magnesium Alloy Wheel Must Be Continuously Improved Innovated In Design Use, Improve The Design Production System, Improve The Designer's Design Space. Since The Rim Hub Of The Magnesium Alloy Wheel Are Fixed, Its Spokes Have A Large Design Space, Which Mobilizes The Designer's Design Enthusiasm. On The Basis Of Meeting The Bearing Strength, A Variety Of Structures Can Be Freely Designed To Achieve Innovative Diversified Spoke Shape Design. The Spokes Should Be Curved Streamlined As Much As Possible To Create A Sense Of Dynamism, Form New Demands, Meet Different Levels Of Wheel Design Management, Enhance Consumers’ Aesthetic Tastes, Meet Vehicle Displacement Purposes, Introduce New Cooperative Manufacturers, Meet The Requirements Of Self-Design Through Development, Imitation Improvement, So As To Determine The Diversified Processing Of Parts, Improve The Use Of Wheels, Enhance Design Production Skills [4].

3.4 Application In Automotive Bracket Parts

Bracket Parts On Cars Can Effectively Support Other Parts. Using Magnesium Alloy To Produce Bracket Parts Can Only Reduce The Total Weight Of The Bracket, But Also Reduce The Vibration Of The Car During Operation. The Manufacturing Process Of Bracket Parts Is Innovated Optimized According To The Different Loads Of The Vehicle, The Positioning Mechanism Of Bracket Parts Is Gradually Adjusted. When The Car Needs To Slow Down Due To Excessive Speed, The Sliding Friction Between The Brake Shoe The Brake Drum Must Be Enhanced. To This End, It Is Necessary To Improve The Friction Between The Brake Shoe The Brake Drum According To The Actual Situation Enhance Its Heat Dissipation. In Addition, It Is Necessary To Reasonably Control The Heat Dissipation Method Of Bracket Parts So That The Air In Them Can Dissipate Heat Through Natural Convection, Reduce The Speed Of The Car, Meet The Braking Heat Dissipation Needs Of The Car On Long Steep Slopes. In Addition To Retaining The Original Heat Dissipation Effect, It Is Also Necessary To Reasonably Exchange The Heat Source Treatment In The Brake Of The Actual Bracket Parts To Reduce The Temperature Difference Of Different Heat Treatments Keep The Friction Surface Clean [5].

IV. Future Prospects Of Magnesium Alloy Production Auto Parts

4.1 Enhanced Resilience

Magnesium Alloy Composite Materials Are High-Strength High-Modulus Structural Materials, But They Have Poor Toughness. They Are Strongly Restricted By These Factors During Application. The Ductility Between The Modules Is Insufficient, Their Subsequent Balance Makes Them The Main Practice Direction Of Composite Materials. To This End, It Is Necessary To Strengthen The Thermal Conductivity Of The Internal Magnesium Alloy, Gradually Conduct Systematic Research Treatment On It, Improve Its Actual Use Effect, Improve Its Actual Processing Ability, Lay The Foundation For Its Subsequent Management The Use Of Alloy Materials. Magnesium Alloy Composite Materials Can Only Play Their Due Value When Assembling The Whole Vehicle Driving, So It Is Necessary To Carry Out A Large-Scale Adaptive Conversion Matching Interchange Of The Vehicle Model, Adopt National Standards Industry Standards, Pay Attention To The Installation Coordination Of Magnesium Alloy Composite Materials Other Parts, Effectively Coordinate The Number Of Wheel Installation Holes, Hole Diameter Hole Depth With The Disc Brake. With Reference To Different Hole Diameters, The Diameter Depth Of The Brake Hub Are Coordinated With The Drum Brake, Set According To The Bearing Used.

4.2 Enhanced Corrosion Resistance

Due To Its Low Melting Point, Magnesium Alloy Materials Are Affected By External Factors Are Easily Damaged By Corrosion. Therefore, It Is Necessary To Optimize The Alloying Design Of The Precipitation Of Dispersed Phase Particles According To The Actual Situation, Strengthen The Internal Plastic Treatment Heat Treatment, Introduce A Physical Protective Layer Self-Repairing Layer To Isolate The Magnesium Alloy The Outside World. Although The Use Effect Of Magnesium Alloy Materials Has Great Defects, It Still Has Advantages Overall. When Using Aluminum Alloy For Design, It Is Necessary To Put The Life Health Safety Of Personnel First, Conduct Stress Analysis For Different Displacement Models Uses Of Automobiles, Continuously Optimize The Safety Factor, Ensure The Selection Of The Heat Treatment Process Range Of Magnesium Alloy, Achieve The Strength Tensile Strength Of The Internal Magnesium Alloy Mechanical Properties. In This Regard, It Is Also Necessary To Improve The Technical Requirements Of The Wheel According To The Actual Situation So That It Meets The Product Vehicle Quality Inspection Evaluation Method, Timely Rationalize The Design Of The Wheel [6]. 5. Conclusion In Summary, China Is Paying More More Attention To The Current Magnesium Alloy Production Application Management Of Automotive Parts. In Order To Further Improve Its Specific Use Effect, It Is Necessary To Enhance The Toughness Corrosion Resistance Of Its Magnesium Alloy Devices According To Actual Conditions, Improve The Application Effect Of Magnesium Alloy, Better Quality Automotive Alloy Materials, Improve The Safety Stability Of Automobile Driving, Improve Its Specific Benefit Points, Promote The Rationality Of Its Design Control.