Preparation knowledge
UV curing mounting workflow
A transparent mounting route to evaluate for your specimen.
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Product knowledge & learning
Build an understanding of specimen preparation and materials inspection.
Preparation knowledge
Preparing for microhardness measurement
Surface preparation and support affect the measurement.
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Microscopy and traceable image records
Connect the field of view to the inspection task.
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Etching and the observation objective
Select a validated preparation and etching method.
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Choosing a mounting method
Match support and edge retention to specimen sensitivity.
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Representative sampling for metallography
Choose the location and direction before cutting.
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Purpose and workflow of metallographic preparation
Connect inspection objectives with preparation and traceable records.
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Preparation problems: what to check first?
Review cutting edges, scratches, cleaning and target-plane control.
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Diagnosing Metallographic Preparation Defects: Scratches, Deformed Layers, Pits, Tails, and Edge Chipping
Causes and remedies for five common preparation defects—scratches, deformed layers, pits, tails, and edge chipping—plus a step-by-step troubleshooting approach.
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Metallurgical Microscope Objectives and Observation Modes: Brightfield, Darkfield, Polarized Light, and DIC
Key objective parameters and selection guidance for metallurgical microscopes, plus the applications of brightfield, darkfield, polarized-light, and DIC observation modes.
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Load Selection, Indent Spacing, and Edge Effects in Microhardness Testing
Per GB/T 4340.1 and ASTM E384, key points for load selection, indent spacing, and edge-effect control in microhardness testing.
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Quick Reference Table of Common Metallographic Etchants
Composition, applications, and safe-handling notes for common etchants for carbon and alloy steels, stainless steels, cast irons, and aluminum, copper, and titanium alloys.
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Case Depth Measurement: Metallographic vs. Hardness Methods
Principles and applicability of metallographic and hardness methods for carburized and nitrided case depth, with criteria from GB/T 9450 and GB/T 11354.
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Rating Non-Metallic Inclusions in Steel: Key Points
A/B/C/D inclusion classification, sampling, and rating per GB/T 10561 and ASTM E45, plus the specimen-preparation practices that keep ratings reliable.
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Edge Retention: Effects of Mounting, Fillers, and Grinding/Polishing Parameters
How mounting materials, fillers, protective plating, and grinding/polishing parameters affect edge rounding, with practical edge-retention strategies.
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Abrasive Grit Sequencing and Removal Estimation: Route Design from Coarse Grinding to Final Polishing
Grit-sequencing principles, removal estimation, and typical grinding/polishing routes for obtaining a deformation-free surface in minimal steps.
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