Carbon Steel Essay

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2. Metallic Materials

Lotus Esprit V8 (2003) 288 km/ph or 180mph Composites - CFRP

Engine: Aluminium alloy block + cast iron cylinders Car body material: Carbon Fibre Reinforced Plastic (CFRP) Chassis: Rigid steel zinc-coated backbone chassis
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1

Car Engine
Cutway ofpiston receives cycle The four-stroke combustion petrol engine pressure;
The connecting rod transmits the combustion pressure to the crankshaft and the crankshaft transforms this reciprocating motion into smooth rotation. The combustion of the air-fuel mixture takes place in the chamber then moves up and down in the cylinder via combustion pressure and the combustion gas is then sealed by the piston of four-stroke operationsring, which contains the pressure. A valve system takes in and exhausts the combustion gas gas.

Basic cycle engine

Recent Trends in Engine Technology
The in receives 1. To obtain higher output power, the multi-valve engine usedpistoncar engine combustion pressure; has increased The connecting rod transmits the combustion pressure to 2. The variable valve system has decreased fuel consumption the crankshaft and the 3. The multi-cylinder engine has become more widespread. It has a crankshaft transforms this reciprocating motion into smoother rotation to decrease noise and vibration smooth rotation. 4. Three-way catalysts (Pt-Pd-Rh alloy) technology, using The2combustion of the air-fuel O and knock sensors, has decreased the three components CO, HC mixture NOxplace theand and takes in in the chamber then moves up down in the cylinder via exhaust gas combustion pressure and the 5. Decreased inertial weight and electronic control have improvedgas is then sealed combustion engine by the piston ring, which performance contains the pressure. 6. Hybrid systems including an electric motor or fuel cell have reduced fuel A valve system takes in and exhausts the combustion gas gas. consumption 7. The use of diesel engines remains on a continuing upward trend due to high performance and favourable torque characteristics

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Making A Car Engine
1. 2. 3. 4. Find the main parts of a racing car engine. What are the functions of those parts for high output power of the engine? What are materials properties required for those functions? What kind of materials are suitable? Why? Give the names, major compositions, structure and properties of the selected materials. What kind of processing methods can be p g applied? Why?

5.

The Cylinder and Piston

A moving plug within the cylinder bore.

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Making An Engine Piston

1. 2. 2 3.

4.

What are the functions of a engine piston for high output power? What are materials properties required for those functions? What kinds of materials are suitable? Why? Give the names, major compositions, structure and properties of the selected materials. What kinds of processing methods can be applied? Why?

Making A Car Engine

1. 2. 2 3.

4.

What are the functions of a engine cylinder Block for high output power? What are materials properties required for those functions? What kinds of materials are suitable? Why? Give the names, major compositions, structure and properties of the selected materials. What kinds of processing methods can be applied? Why?

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Making A Car Engine Crankshaft

1. 2. 3.

4.

What are the functions of a engine crankshaft? What are materials properties required for those functions? What kinds of materials are suitable? Why? Give the names, major compositions, structure and properties of the selected materials. What kinds of processing methods can be applied? Why?

Making A Car Engine Camkshaft

1. 2. 3.

4.

What are the functions of a engine camkshaft? What are materials properties required for those functions? What kinds of materials are suitable? Why? Give the names, major compositions, structure and properties of the selected materials. What kinds of processing methods can be applied? Why?

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