Properties of elastomer, Civil Engineering

Assignment Help:

An elastomer is a polymeric substance obtained after vulcanization of rubber. Vulcanization is the process of improving the properties of rubber by heating with sulphur. A normal rubber is not useable as it becomes brittle at low temperature and sticky at high temperature. Charles Goodyear had been trying to 'cure' the rubber so that it could be used in all seasons. He tried to mix all kinds of things such as ink, black pepper, cheese and what not. But he couldn't succeed until he dropped a piece of rubber on stove accidentally.

To his surprise, he found that instead of melting the rubber piece hardened and remained pliable. It was found in the lab that it contained traces of sulphur.  Goodyear perfected the process and named it 'vulcanization' after the Roman God of fire, 'Vulcan'.


Related Discussions:- Properties of elastomer

Designing considerations for dowel bars, Question What are designing c...

Question What are designing considerations for dowel bars in joints of concrete carriageway? Answer Behaviour of dowel bars resembles that of piles in soils subject

Prestressed concrete structures, Distinguish between uniaxial biaxial and t...

Distinguish between uniaxial biaxial and triaxial prestressing

Why we use air valves, Q. Why we use Air Valves? Air Valves - Air valve...

Q. Why we use Air Valves? Air Valves - Air valves of proper size and pressure rating at summits. Air valves ensure the safety of the pipe line against collapse when at points o

Benefits of analysis of prestress and bending stresses, Normal 0 ...

Normal 0 false false false EN-IN X-NONE X-NONE

Constriction of waterway at bridges, Q. Constriction of waterway at bridges...

Q. Constriction of waterway at bridges? Constriction of waterway at bridges is effected by extending the approach banks to cover spill area or, in addition, part of active chan

Tremie pipes are normally used with aid of hoppers, Question For underw...

Question For underwater concreting, tremie pipes are normally used with aid of hoppers. From time to time tubes are put in inside the hoppers and with reasons? Answer

Local vehicle parapet strong enough to contain vehicles, Q. Local vehicle p...

Q. Local vehicle parapet strong enough to contain vehicles? Majority of local parapets are 1.1m high in addition they are designed to resist impact from a 1.5ton car moving at

Determine the cubic yard in the ground, An earthwork contractor encountered...

An earthwork contractor encountered a location within the borrow area where the geological conditions changed.  Instead of encountering 100 cubic yards of wet clay, the contractor

Mass effect, how the effective mass of charge carrier less than the rest ma...

how the effective mass of charge carrier less than the rest mass

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd