The Engine Oil Pan In Car Application Engineering Essay

October 23, 2017 Engineering

This study will analyse the engine oil pan as one of metallic constituent in auto application. The analysis will cover the function of the constituent, the stuff for the constituent and the belongingss of the stuff. We will cover the procedure of how the belongingss are achieved. We will besides analysing the alternate stuff suitable for the specific constituent, comparison and contrast with the alternate stuff.

Introduction

Engine oil pan is a simple automotive constituent with a really simple map. However, it is really critical for you ‘re the engine portion to run decently. By understanding the map, the specific demand and the stuff for an oil pan, it would assist us to understand more on stuff choice for specific automotive applications.

Engine Oil Pan and Functions

For engine to work at its best, it must be running at a specific operating temperature. This temperature can merely be maintained with the assistance of engine oil that acts as a coolant. Subsequently, it needs a constituent to hive away the oil and continuously recycle it. That is the chief map of the engine oil pan. Besides a storage constituent, oil pan will besides roll up some of the residue choices by engine oil while go throughing through the engine. Oil pan besides served as a bottom screen of engines.

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Component Condition and Requirement

In comparative to the oil pan application, certain status and demand of the stuff should be meet. First, the stuff for the constituent should hold a good corrosion opposition. It is to guarantee that the oil in the sump will non contaminated. Even though the map of the oil pan is non for chilling, but the good thermic conduction belongings will give an advantage for the application. Furthermore, it has to hold a good ductileness to forestall cleft or harm due to lapidate impact. Low denseness in stuff will be a great advantage for the constituent, as it will cut down the weight. Above all, the most of import standards for the constituent are the ability to prolong the operating temperature of the engine. However, the engine operating temperature is considered low for all sort of metallic stuff to defy.

Figure 1.1 Aluminum metal Oil Pan

Materials and Properties for Oil Pan application

In this paper, we will analyse the belongingss of dramatis personae aluminium metal as a stuff for the oil pan. Aluminum metal ( 2.7 g/cmi?µ ) is characterized as a nonferrous metal, which comparatively low denseness stuff comparison to steel ( 7.9 g/cmi?µ ) ( Callister 2007 ) . Beside low in denseness, it is besides relatively high thermic conduction and built-in caustic opposition in some common environment. Furthermore, the ductileness of Aluminum metal is retained at low temperature due to Aluminum has a FCC crystal construction ( fig. 1-1 ) .

Figure 1-2

Face Centered Cubic Crystal Structure. In difficult sphere unit ( a ) , a reduced sphere unit ( B ) and in sum of many atoms.

An of import feature of this stuff is the specific strength, which is determined by the tensile strength to specific gravitation ratio ( Callister, 2007 ) . Even though aluminum metal have a tensile strength comparatively compare to the higher denseness stuff ( such as steel ) , on a weight footing it will able prolong a larger burden ( Callister,2007 ) .

In peculiar to the casting alloys usage for productions of oil pan in automotive industry, the dice projecting procedure is used. In general the AlSiMg metal is usage for the production of the oil pans.

Table 1.1 Composition, Mechanical belongingss and common application for cast-heat treatable Aluminum metal

( Callister, 2007 )

Silicon in the scope of 5 to 12 % by weight is the most of import component in aluminium debasing due to ability to increase the fluidness of the liquefied metal every bit good as strengthens the aluminium. Magnesium in the scope of 0.3 to 1 % by weight is added to increase strength ( Smith, 2004 ) .

The Si content in the constituent will do the formation of acerate Si. It will do the considerable decrease in the ductileness of the constituent. Therefore the heat intervention is necessary for the constituent, after modeling procedure. It is to obtain the appropriate equal mechanical belongingss with regard to hardness and ductileness. The heat intervention procedure at an appropriate temperature and for an appropriate continuance is carried out to bring forth the constituent with a different hardness. In this instance, production of oil pan used the solution heat intervention and followed by unreal aging procedure, indicate by ( T6 ) in table 1.1. As for the oil pan, in the part of a rim is kept untreated in order to retain high degree of hardness and low degree of ductileness. Therefore, the hardness will be 85 to 110 HB and the ductileness of 0.5 to 2.5 % . While on the base part, it is heat treated suitably to make a hardness of 55 to 80 HB and ductileness greater than 4 % . Hence, the ductileness is increased and the hardness is reduced.

Properties of Aluminum Alloy suit the Oil Pan Requirements

Aforementioned, we had discussed the status and demand of the oil pan application. Through the material analysis of Aluminum metal, we found that aluminium metal has a good corrosive opposition. Furthermore, the mechanical belongings of aluminum metal as good thermic conduction would supply a better heat dissipation for the engine oil. Through solution heat intervention procedure the aluminium oil pan have had a sufficient ductileness to prolong stone impact from underside. With a well good hardness the aluminium metal oil pan would keep the constituent form from distortion due some degree of impact.

Comparison to other possible stuffs for oil pan

Other stuff normally used to bring forth oil pan is low C steel. Oil pans made of steel are produced with a cast organizing procedure. Physically, in contrast to the aluminium metal oil pan, the steel oil pan is light in weight. It is because it was produce with a thin steel sheet comparison to a thicker dramatis personae aluminium metal oil pan.

Based on belongingss of the stuff, steel oil pan has a higher ductileness but less hardness comparison to aluminum oil pan that has high hardness and low ductileness. Advantage in holding high ductileness stuff is the ability to defy impact without cleft or harm. The comparing of those material ( Table 1.2 ) shows the difference in snap, which the modulus of snap determined the opposition to elastic distortion. The greater the modulus ( Steel alloy ) the stiffer the stuff will be.

However, with that belongings the form of the constituent will easy deformed. In instance of oil pan application, it might damage other constituent inside the pan such as oil strainer. Other advantage of the aluminium oil pan in contrast to steel oil pan is the ability to Acts of the Apostless as a noise shield, particularly on Diesel engine. In term of heat dissipation, aluminium oil pan will hold advantage in dispersing more caput comparison to steel oil pan.

Table 1.2 Room temperature Elastic, Shear Modulus and Poisson ‘s Ratio for Aluminum Alloy and Steel Alloy.

Aluminum

Aluminum offers many advantages over other stuffs. Some of these include:

aˆ? Light weight ( ~2/3 the weight of steel ) aˆ? Machinability aˆ? High strength-to-weight ratio aˆ? Non-oxidizing when exposed to air

aˆ? Excellent heat dissipation aˆ? High electrical conduction aˆ? Can be cast by all common casting methods aˆ? Heat treatable for higher strength and hardness

Willian D. Callister, Jr. ( 2007 ) . Materials scientific discipline and technology: an debut, 7th Edition. United States of America, John Wiley & A ; Sons, Inc.

Martin, J W. ( 2006 ) . Materials for Engineering. Cambridge, Woodhead Publishing, Limited

William F. Smith ( 2004 ) .Foundation of Material Science and Engineering, Third edition.New York, McGraw-Hill.

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