analization of heat treated specimen
DESCRIPTION
Analization Of Heat Treated SpecimenTRANSCRIPT
![Page 1: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/1.jpg)
Analization Of Heat Treated Specimen
![Page 2: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/2.jpg)
Background And Objective
A steel rod specimen was given.A heat treatment process was done
on it.
OBJETIVE is to workout the specimen and analyze the heat treatment process.
![Page 3: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/3.jpg)
![Page 4: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/4.jpg)
Road Map Documentation. Sectioning and cutting. Mounting. Planar grinding. Rough & Fine polishing. Final polishing. Etching. Microscopic analysis. Hardness Testing.
![Page 5: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/5.jpg)
Cutting And Sectioning
Cut-Off Wheel# Two Motors# 30 Liters Storage Tank
Water and well cut oil 30: 1 ratio was used as coolant
The cut off wheel used was high carbon wheel ( Type A 120 N).
Jaws for holding specimen (work with rack and pinion gear).
![Page 6: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/6.jpg)
Cut Off Machine
![Page 7: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/7.jpg)
MOUNTING/PRESRERVATIONThe process was done with Mounting
Press.
Mounting Press# Hydraulic Unit#Mold Unit
Thermo plastic and Thermosetting resins are used for mounting.
![Page 8: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/8.jpg)
Working Condition for Bakelite
Temperature 160 -170Ċ.Pressure 130 Kg/cm².Time 6 – 9 minutes.
FINAL RESULT
![Page 9: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/9.jpg)
Mounting Press
![Page 10: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/10.jpg)
Grinding And Polishing
![Page 11: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/11.jpg)
Planer Grinding
Done with help of GRINDING WHEELSAbbrasive Material Bounded
Abbrasive Coiled AbbrasiveGrit Size 40 To 150 Mesh 180 To 300 Mesh
![Page 12: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/12.jpg)
Planar Grinding
During the process the specimen was rotated by 45@ to 90@ after 5 minutes.
The rotation was done to reduce scratches.
The time taken by planar grinding was 4o minutes.
![Page 13: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/13.jpg)
Polishing
![Page 14: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/14.jpg)
![Page 15: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/15.jpg)
ETCHING
![Page 16: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/16.jpg)
Washing and Drying
After etching specimen was washed with water.
Then dried was dryer.These processes are done to make the
specimen ready for micro examinationThis is done to make specimen
completely pure from impurities.
![Page 17: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/17.jpg)
Microscopic Analysis And comparison
Done with ELECTRIC MICROSCOPE
Comparison with standard specimens revealed the result that
The given specimen is
![Page 18: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/18.jpg)
ANNEALED
![Page 19: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/19.jpg)
![Page 20: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/20.jpg)
Hardness Testing
Hardness The resistance offered by a material to
applied load against surface penetration, fracture, aberration and scratches
Categories of hardness test•Elastic hardness•Resistance to cutting and abbression•Resistance to indentation
![Page 21: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/21.jpg)
Vicker hardness test
This test is performed by vicker hardness testing machine.
The load range is between 200g to 500g.The instrument uses a squre based diamond
pyramid indentor.The least count of scale is 10 micron. Hardness of the material is calculated by
following expression. HV=1854.4P/d^2
![Page 22: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/22.jpg)
Micro Vicker
Hardness Testing Machine
![Page 23: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/23.jpg)
Conclusion
![Page 24: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/24.jpg)
AN
Y
QU
ES
TIO
N
![Page 25: Analization Of Heat Treated Specimen](https://reader034.vdocuments.us/reader034/viewer/2022051616/5540104f4a795958148b4924/html5/thumbnails/25.jpg)