I need to carry out an experiment on a flexural member under thermal loading. Since i have to attach a thermo couples and a strain gauge please suggest a bonding material for it....
Are you using high temperature strain gauges? Simple strain gauges used at ambient temperature does not work at temperatures above 100 deg C. Generally we use binding wires for thermocouples and NP-50B for pasting strain gauges.
I need to find a strain increment of steel in a high temperature.. I found literature measuring up to 950 degree using high temp cement paste or ceramic cement. Just want to know the procedure for it.
It is not possible to use common strain gauges used at ambient temperature for measuring strains during elevated temperatures even if u cover strain gauge with a coating of ceramic cement or any other heat resistant coating. Because strain gauge will be pasted on rebar and you cannot protect heat transfer from rebar to strain gauge. If somebody have done this than i am keenly interested to have a look at that paper.
Dear Subhan Ahmad, thank you for your information. It is concluded from the past research studies that high temperature cement paste can be used to determine the strain in member even beyond 1000 degrees, But before that, one need to design a thickness of a cement paste between member and a strain gauge to avoid a temperature transfer from member to a strain gauge. One also need to account the error it could possibly lead due increased paste thickness by conducting series of experiment on a varied cement paste thickness to strain variation value...
Thank you...
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