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Microstructure

475°C Embrittlement in Duplex and Ferritic Stainless Steel

Home › Articles › Fracture & Failure August 5, 2026 13 min read Fracture & Failure 475°C Embrittlement in Duplex and Ferritic Stainless Steel 475°C embrittlement is a severe, temperature-specific…

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Microstructure

Temper Embrittlement in Alloy Steels

Home › Articles › Fracture & Failure August 5, 2026 14 min read Fracture & Failure Temper Embrittlement in Alloy Steels Temper embrittlement is a reversible loss of notch toughness…

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Microstructure

Twinning in Metals: Deformation vs Annealing Twins

Home › Articles › Fundamentals Updated: 31 July 2026 13 min read Category: Fundamentals Twinning in Metals: Deformation vs Annealing Twins Twinning is the second fundamental mechanism, alongside slip, by…

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Microstructure

Recrystallization and Grain Growth in Metals

Home › Articles › Fundamentals Updated: 25 July 2026 Reading time: 14 min Category: Fundamentals Recrystallization and Grain Growth in Metals When a cold-worked metal is annealed, it passes through…

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Microstructure

Slip Systems in FCC, BCC and HCP Metals: Burgers Vector and Dislocations

Home › Articles › Fundamentals Fundamentals Updated July 7, 2026 · 15 min read Slip Systems in FCC, BCC and HCP Metals: Burgers Vector and Dislocations Plastic deformation in crystalline…

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Microstructure

Solidification of Metals: Nucleation, Dendrite Growth and Grain Structure

Home › Articles › Fundamentals Fundamentals Updated July 7, 2026 · 14 min read Solidification of Metals: Nucleation, Dendrite Growth and Grain Structure Solidification converts a disordered liquid into a…

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Microstructure

Eutectic vs Eutectoid vs Peritectic Reactions: Complete Comparison

Home › Articles › Fundamentals Published: July 6, 2026 Reading time: 14 min Fundamentals Eutectic vs Eutectoid vs Peritectic Reactions: Complete Comparison Invariant reactions govern how phases nucleate, disappear, and…

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Microstructure

Binary Phase Diagrams: Reading Guide with Lever Rule and Worked Examples

Home › Articles › Fundamentals Published: January 2025 Updated: June 2025 13 min read Fundamentals Binary Phase Diagrams: Reading Guide with Lever Rule and Worked Examples Binary phase diagrams are…

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Fundamentals

The Eutectoid Reaction in Steel — Austenite to Pearlite at 0.77%C, 727°C

Complete guide to the eutectoid reaction in steel (γ → α + Fe₃C at 0.77%C, 727°C). Covers cooperative ferrite-cementite growth, lamellar spacing, Avrami kinetics, colony formation, and the relationship to hypo- and hypereutectoid steels.

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Fundamentals

Grain Boundaries — Types, Energy, Segregation and Engineering Significance

Complete guide to grain boundaries in metals. Covers low-angle tilt/twist boundaries, high-angle boundaries, CSL boundaries, grain boundary energy, solute segregation (P, S, B, H), Hall-Petch equation, and grain refinement.