Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Explain the Purposes of tempering
Tempering is a heat treatment approach for alloys and metals. In steels, tempering is done to "toughen" the metal by transforming brittle martensite into bainite or a combination of cementite and ferrite. Precipitation hardening alloys, such as numerous grades of aluminum and super alloys, are tempered to precipitate intermetallic particles that strengthen metal.
Brittle martensite becomes strong and ductile after it is tempered. Carbon atoms were trapped in the austenite when it was rapidly cooled, typically by water or oil quenching, forming martensite. Martensite becomes strong after being tempered as when reheated, microstructure can rearrange and the carbon atoms can diffuse out of distorted BCT structure. After carbon diffuses, result is nearly pure ferrite.
In metallurgy, there is always a trade-off between brittleness and ductility. This delicate balance highlights many of the subtleties inherent to tempering process. Precise control of time and temperature during the tempering process are critical to achieve a metal with well-balanced mechanical properties.
Ask questionapplications of atomic absorption spectroscopy #Minimum 100 words accepted#
what are ion? under what conditions are they produced?
#actinide contraction
PHOTO CHEMICAL COMBINATION OF HYDROGEN&IODINE
which compounds will dissolve in alkaline solution after it has undergone reaction with hinsberg reagent
What is the net charge of a non-ionized atom? In an atom, the number of protons is equivalent to the number of electrons and that single proton has the similar positive charge v
The maximum number of electrons that can be accommodated in f sub shell is : (1) 2 (2) 8 (3) 32 (4) 14 Ans: 14
Naming complex substituents - IUPAC system of nomenclature If the substituent on the parent chain is complex ( that is it is branched) it is termed as substituted alkyl g
classification corrosion
explain the notion of environmental analytical chemistry
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd