Saturday, July 16, 2011

Re: [MW:11771] CVN Energy

Dear Harish,

                   Based on the international code 7standard, for a particular standards material there will be a value of energy to be absorbed and temperature at which the CVN test has to be done. refer the tables given in the required codes ,in case of ASME materials refer SEC 2 PART A and B for base material and PART C for welding consumables. You will get any idea.

 

Since impact properties of a material depends on chemical composition and final Heat treatment carried out during manufacturing, from my knowledge I don't think there will be any specific formula to correlate . Generally CVN test is carried out on trial and error basis  in manufactures industries . 


On Sat, Jul 16, 2011 at 10:18 PM, Harish Kannepalli <harishkannepalli@gmail.com> wrote:
Dear Sir,
                 I have a very basic doubt since long time, posted in this forum also. How do we get the minimum energy requirements for CVN tests at a particular temperature? Is there any mathematical calculation to get this energy?

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regards,
Harish.

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With regards,
Sudhakar.k

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