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Conventional heat treatment procedures for producing martensitic steels generally involve continuous and rapid cooling of an austenitized specimen in some type of quenching medium, such as water, oil, or air. The properties of a steel that has been quenched and then tempered depends largely on the rate of cooling and tempering times and temperatures. During the quenching heat treatment, the specimen can be converted to a variety of microstructures including soft and ductile spheroidite to hard and brittle martensite. The production of pearlitic and bainitic steels is lower in cost and suffices for most applications. Martensitic steels must be tempered prior to use due to their extreme brittleness. A range of heat treatments producing a variety of microstructures and mechanical properties will be investigated in this experiment beginning with a set of initially equivalent samples of SAE 1040 steel. Pearlite, Bainite and Martensite will all be produced through variations in the cooling rates of initially austenized samples.

First post on here so I would like to thank whoever it is that has made imechanica.org possible. I have tried the editor and find it very instinctive, certainly easy and above all functional. Again my thanks go to those who have made it possible.

As somebody who has invested both time and money in this concept I am very pleased to see it gaining momentum and it is very helpful when a site such as this becomes available to the general public. Well all I can wish for upcoming users is that may all you have website of your own soon. I designed mine from www.webdesigningcompany.net , hopefully all of net bees here get a step better ,may we shall have a very healthy discussion on this plateform.

Hopefully the site can receive some good exposure over the coming weeks, months as the scenario here gathers pace. Good luck and good fortune to everyone.

I am interested in using the Boundary Element Method for the hyperelastic materials. The objective of this work  is to simulate the behaviour of elastomeric or rubber-like materials parts. I am now in the derivation stage, and I intened to use Ogden constitutive model with this derivation.

The Department of Aerospace Engineering at Ryerson University has a strong and vibrant research programme involving the development of pico- and femto-satellites (weighing less than 1 kilogram) under Dr.

This blog focuses on the micromechanics modeling of composite materials.

First of all, I am hardly a writer and to be honest, this tiny entry will probably have taken me a couple hours. Between watching tv, procrastinating, surfing the web, dealing with my recent concussion and the dizziness that has been associated with it, I've been having a bit of a tough time this semester. I think some of that may just be due to the fact that I'll be graduating (hopefully) soon.