1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories...
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Transcript of 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories...
![Page 1: 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories National Institute of Metrology (Thailand)](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cea5503460f949b4cf2/html5/thumbnails/1.jpg)
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Hardness Measurement in Industry
Tassanai Sanponpute Head of hardness and
torque laboratoriesNational Institute of Metrology (Thailand)
![Page 2: 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories National Institute of Metrology (Thailand)](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cea5503460f949b4cf2/html5/thumbnails/2.jpg)
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Most products around us today, related to the Most products around us today, related to the measurement of hardness. measurement of hardness.
What is Hardness ?
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Medicine tablet
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Hardness of coins
Should be 70 HV to 95 HV
![Page 5: 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories National Institute of Metrology (Thailand)](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cea5503460f949b4cf2/html5/thumbnails/5.jpg)
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Green sand mold
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Hardness of wood
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Welding parts
Vickers hardness test
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Carburizing Part
• Increased surface hardness • Increased wear resistance • Increased fatigue/tensile
strengths
![Page 9: 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories National Institute of Metrology (Thailand)](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cea5503460f949b4cf2/html5/thumbnails/9.jpg)
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Carburizing Part
• Case hardness test
Vickers hardness test
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Carburizing Part
![Page 11: 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories National Institute of Metrology (Thailand)](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cea5503460f949b4cf2/html5/thumbnails/11.jpg)
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Gem and Mineral
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Moh’s hardness testMoh’s hardness test
• Moh’s hardness standard
Gem and Mineral
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Coating nano-hardness test
![Page 14: 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories National Institute of Metrology (Thailand)](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cea5503460f949b4cf2/html5/thumbnails/14.jpg)
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Coating micro-hardness test
-Micro-Vickers-Knoop hardness test
![Page 15: 1 Hardness Measurement in Industry Tassanai Sanponpute Head of hardness and torque laboratories National Institute of Metrology (Thailand)](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cea5503460f949b4cf2/html5/thumbnails/15.jpg)
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Concrete Test
The rebound is dependant upoThe rebound is dependant upon the hardness of the surface un the hardness of the surface under test, the harder the surfacnder test, the harder the surface the higher thee the higher therebound and visa versa.rebound and visa versa.
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Rubbers, Plastics
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Sheet metal and automobile
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Sheet metal and automobile
• Rockwell hardness test
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Massive and irremovable parts
• Portable hardness
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ENDEND
Thank you for your kind attentionsThank you for your kind attentions