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Micro-etching Examination

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MAGNIFY TO REVEAL CRACKS ON METALS


Microstructure examination & inclusion content

Microscopic examinations are the examination of the etched or non-etched sample with a microscope at 50 to 500 times magnification. This technique reveals microscopic properties by examining the cross-section of the welded joint.

During the Microstructure Analysis of metals and alloys, a microscopic examination is conducted to study the microstructural features of the material under magnification. The properties of a material determine hot cracks, cold cracks, lamellar tearing, voids, melt deficiency, solidification structure and grain structure, etc., to reveal the features.

PTS provides a wide range of services pertaining to micro-evaluation for examination under microscopic instruments. Microscopic testing is typically performed on delicate samples under high-powered optical devices or Scanning Electron Microscopes.

Some of the methods include:

  • Coating thickness measurement
  • Fractography
  • Failure Analysis
  • Pitting and Crevice Corrosion
  • Inspection
  • Photomicrography
  • Inclusion content
  • Porosity percentage
  • Depth analysis

Microscopic examinations is the examination of the etched or non-etched sample with a microscope at 50 to 500 times magnification.

This technique is used to reveal microscopic properties by examining the cross-section of the welded joint.

During Microstructure Analysis of metals and alloys, a microscopic examination is conducted to study the microstructural features of the material under magnification.

The properties of a material determine hot cracks, cold cracks, lamellar tearing, voids, melt deficiency, solidification structure and grain structure, etc. to reveal the features.

APPLICATION OF MICRO-ETCHING EXAMINATION:

The etched or non-etched test specimen surface is examined with a larger magnification (>50X) using metallography micro-scopes

Micro-structure determination, grain size, grain orientation, phase sedimentation etc. can be determined

Etched or non-etched test specimen surface is examined with a larger magnification (>x50) using metallography micro-scopes

Micro-structure determination, grain size, grain orientation, phase sedimentation etc. can be determined

Common Test Methods

ASTM E3

ASTM E407

Talk to us today

Send your requirements to our expert testing team to conduct metal microstructure analysis and microscopic examination for your metallic samples. Professional testing lab has a state-of-the-art metallurgical sample preparation lab to prepare your specimens required for analysis.

For more information on our Micro-etching Examination, call us or send us an enquiry today.

process timeline

Process #1
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Process #2
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Process #3
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Process #4
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Process #5
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