🎓 Engineering Learning Studio

Materials Science & Metallurgy StudioMechanical Properties · Crystallography · Phase Diagrams · Heat Treatment · Failure & Fatigue · Corrosion

Materials science & metallurgy tools — mechanical properties, crystal structures, phase diagrams, heat treatment, fatigue and fracture, corrosion, composites, and materials selection.

Mechanical PropertiesCrystallographyPhase DiagramsHeat TreatmentFailure & FatigueCorrosion
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Applied Materials Science & Metallurgical Engineering Professional Program

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Applied Materials Science & Metallurgical Engineering Professional Program

Premium Content

Investigate real material failures and design material selections — atomic/crystal structure, mechanical properties, metals/polymers/ceramics/composites, heat treatment, corrosion, fatigue, and fracture mechanics. 17 core modules, 5 complete real-project case studies (pipeline corrosion failure analysis, aircraft component fatigue investigation, turbine blade material selection, heat-treatment process design, composite material selection), a 12-template documentation kit, and a certificate of completion. One-time $4.99 purchase, no account required.

Explore the Full Curriculum →
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Knowledge Articles

15
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What Is Materials Science and Engineering? A Complete Overview
9 min read
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Aluminum vs Steel vs Titanium: Choosing the Right Structural Metal for Your Design
11 min read
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Stress, Strain & Mechanical Properties of Materials
13 min read
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Crystal Structures: BCC, FCC, HCP & Defects
12 min read
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Phase Diagrams & the Iron-Carbon Diagram
13 min read
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Heat Treatment of Steel: Annealing, Quenching & Tempering
12 min read
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Material Failure: Fracture, Fatigue & Creep
12 min read
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Corrosion: Mechanisms and Prevention
11 min read
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Metals & Alloys: Steel, Aluminum, Titanium & More
12 min read
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Composites, Polymers & Ceramics Overview
12 min read
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Materials Selection in Engineering Design (Ashby)
11 min read
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Nondestructive Testing (NDT) Methods for Materials Inspection
13 min read
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Metal Additive Manufacturing & Powder Metallurgy
13 min read
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Welding Metallurgy & Heat-Affected Zone Effects
12 min read
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Graphene and Biodegradable Materials: Two Frontiers in Materials Engineering
8 min read

Frequently Asked Questions

Is there a PE license for materials engineering?

No. NCEES does not offer a standalone PE Materials or PE Metallurgical exam. Materials topics do appear on the FE exam within the Mechanical, Civil, and Other Disciplines specifications, and a materials engineer who needs to stamp work usually takes the FE and pursues a PE in a related discipline such as Mechanical. For most materials engineers, professional standing comes from industry certifications rather than a license.

What certifications do materials engineers actually get?

The credentials that matter in materials and metallurgy are industry and society certifications. ASM International offers materials and heat-treating certifications and is the field’s leading professional society; NACE/AMPP credentials dominate corrosion engineering; ASNT certifications govern nondestructive testing and inspection; and the ASQ Certified Quality Engineer (CQE) is the standard credential for quality, reliability, and failure-analysis roles in manufacturing.

Should a materials engineer take the FE exam?

It depends on your role. Because there is no PE Materials, many materials engineers never need a license and skip the FE. But if you work in or near a field that requires stamped engineering — or you may move into one — taking the FE near graduation keeps the option open, since it is the first step toward any PE. Materials content on the FE shows up under the Mechanical, Civil, and Other Disciplines specifications.

What materials topics show up on the FE exam?

FE materials content covers atomic structure and bonding, crystal structure and defects, stress–strain and mechanical properties, hardness and material testing, phase diagrams and the iron–carbon diagram, heat treatment, the metal/polymer/ceramic/composite material classes, material failure (fracture, fatigue, creep), and corrosion fundamentals. It is open-reference using only the on-screen NCEES FE Reference Handbook.

What is the ASQ Certified Quality Engineer (CQE)?

The ASQ Certified Quality Engineer is a widely held credential for engineers working in quality, reliability, and failure analysis — areas where materials and metallurgical engineers are common. It covers quality systems, statistical methods, reliability, and product/process control. Along with ASM International certifications and corrosion (NACE/AMPP) credentials, it is one of the practical certifications that substitutes for the missing PE in materials careers.

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Concept Explainers

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Creep vs. Fatigue
Concept Explainer

Two different ways materials fail over time — neither one is a simple overload. Creep: constant stress, high temperature, slow deformation. Fatigue: cyclic stress, any temperature, crack growth.

CreepFatigueElevated Temperature
Explain This →
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Ductility vs. Brittleness
Concept Explainer

Why the same fracture load can mean very different things — and why ductility isn't a fixed property, but depends on temperature, strain rate, and stress state.

DuctilityBrittle FractureDBTT
Explain This →
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Hardness, Toughness & Strength
Concept Explainer

Why the hardest available material isn't automatically the strongest or most durable choice — strength, hardness, and toughness are three different properties that often trade off against each other.

HardnessToughnessHeat Treatment
Explain This →
Galvanic Corrosion
Concept Explainer

Why mixing the wrong two metals turns one of them into a sacrifice — the active metal corrodes faster, the noble metal is protected, and surface area ratio can matter as much as which metals you picked.

Galvanic SeriesCorrosionCathodic Protection
Explain This →
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Grain Boundaries & Work Hardening
Concept Explainer

Why bending a metal makes it both stronger and more brittle — grain boundaries block dislocation motion (Hall-Petch), and cold working multiplies dislocation density until it starts blocking itself.

DislocationsHall-PetchCold Working
Explain This →
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Isotropic vs. Anisotropic Materials
Concept Explainer

Why a 3D-printed part can be strong in one direction and weak in another — steel and aluminum give the same properties every which way, but wood, composites, and layer-built parts genuinely don't.

Anisotropy3D PrintingFiber Composites
Explain This →
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Annealing, Quenching & Tempering
Concept Explainer

Three heat treatments that work together, not interchangeably — quench for maximum hardness, then temper to trade some of it back for the toughness a real part needs. Annealing is a different process entirely.

QuenchingTemperingMartensite
Explain This →
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Elastic vs. Plastic Deformation
Concept Explainer

Why a metal that springs back perfectly can still be permanently bent a moment later — and why real forming operations involve both at once, which is exactly what makes springback compensation necessary.

Yield StrengthSpringbackHooke's Law
Explain This →
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True Stress vs. Engineering Stress
Concept Explainer

Why the stress-strain curve appears to drop after the ultimate tensile strength, even though the material never stops work-hardening — the apparent "weakening" is a bookkeeping artifact of dividing by an area that stopped being accurate the moment necking began.

NeckingUTSWork Hardening
Explain This →
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Yield Strength vs. Ultimate Tensile Strength
Concept Explainer

Two numbers on every datasheet, and design uses the smaller one — a part stressed anywhere near its UTS has already permanently deformed and is functionally failed, well before it fractures.

Yield StrengthUTSFactor of Safety
Explain This →
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Cold Working vs. Hot Working
Concept Explainer

The dividing line isn't the thermometer — it's the material's recrystallization temperature. Below it, metal strain-hardens as it deforms; above it, dynamic recrystallization erases that hardening as fast as it forms.

RecrystallizationStrain HardeningForming
Explain This →
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High-Cycle vs. Low-Cycle Fatigue
Concept Explainer

Not 'how many cycles' — that's the symptom. High-cycle fatigue stays elastic and is stress-life governed; low-cycle fatigue yields every cycle and is strain-life (Coffin-Manson) governed.

S-N CurveCoffin-MansonPlastic Strain
Explain This →
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Calculators

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Stress, Strain & Young's Modulus CalculatorLIVE

Compute engineering stress (σ = F/A), strain (ε = ΔL/L), Young's modulus, and total elongation for an axially loaded member. The starting point for every mechanical-property analysis.

σ = F/AYoung's ModulusElongation
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Factor of Safety CalculatorLIVE

Find the factor of safety from material strength and applied stress, or back out the allowable working stress for a target FoS. Includes guidance on typical safety factors by application.

Factor of SafetyAllowable StressMargin
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Thermal Expansion & Stress CalculatorLIVE

Calculate the change in length from thermal expansion (ΔL = α·L·ΔT) and the thermal stress that develops when expansion is restrained (σ = E·α·ΔT). Essential for rails, pipes, and bridges.

ExpansionThermal StressCTE
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Hardness Conversion CalculatorLIVE

Convert between Brinell (HB), Rockwell C (HRC), Vickers (HV) hardness and approximate tensile strength for steels, using standard ASTM E140 correlations.

HB ↔ HRC ↔ HVTensileASTM E140
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Fatigue & Goodman CalculatorLIVE

Assess fatigue safety under fluctuating loads with the modified Goodman criterion from mean and alternating stress, endurance limit, and ultimate strength. Flags infinite-life vs failure.

FatigueGoodmanEndurance Limit
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Theoretical Density CalculatorLIVE

Compute the theoretical density of a crystal from structure (BCC, FCC, HCP), atomic weight, and atomic radius using ρ = nA / (Vc·N_A). The classic crystallography exam problem.

BCC/FCC/HCPCrystal DensityUnit Cell
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Section Modulus & Bending StressLIVE

Find the area moment of inertia and section modulus for rectangular and circular sections, then the maximum bending stress σ = M·c/I from an applied moment.

Moment of InertiaSection Modulusσ = Mc/I
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Corrosion Rate CalculatorLIVE

Convert a coupon mass loss into a corrosion rate in mils-per-year (mpy) and mm/year using CR = (K·W)/(ρ·A·t), and classify the rate from outstanding to unacceptable.

Corrosion RatempyMass Loss
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Composite Rule of MixturesLIVE

Estimate the modulus and density of a fiber-reinforced composite from the volume fractions and properties of the fiber and matrix, with both Voigt (iso-strain) and Reuss (iso-stress) bounds.

Rule of MixturesCompositeVolume Fraction
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Materials Unit ConverterLIVE

Convert the units of stress and modulus (MPa, GPa, ksi, psi) and density (g/cm³, kg/m³, lb/in³) so your strength, stiffness, and weight numbers stay consistent across systems.

MPa ↔ ksiGPaDensity
Open →
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Materials Science Exam Prep

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Materials Science Exam Prep

5/5 Live
LIVE
Exam Prep Overview — Materials Science & Metallurgy

Materials science and metallurgy is a smaller NCEES licensure track than civil or mechanical engineering: materials topics appear on the FE exam (across the Mechanical, Civil, and Other Disciplines specifications), and NCEES also offers a standalone PE Metallurgical Engineering exam for those who need a stamp in metallurgy specifically. Beyond licensure, professional credibility in this field is built through industry and society certifications — ASM International, NACE/AMPP, ASNT, and the ASQ Certified Quality Engineer. This overview maps what each covers, who administers it, and how they fit a materials career.

OverviewRequirementsExam Strategies
LIVE
FE — Properties of Materials — Practice Exam

FE materials prep: atomic structure and bonding, crystallography, stress–strain and mechanical properties, hardness, phase diagrams and the iron–carbon diagram, heat treatment, material classes, failure, and corrosion — the materials content that appears across the FE specifications.

NCEESFE ExamFoundation
LIVE
PE Metallurgical Engineering — Practice Exam

PE Metallurgical prep: physical metallurgy and phase diagrams, extractive metallurgy, mechanical behavior and failure analysis, heat treatment, corrosion, welding metallurgy, metal forming, and quality control.

NCEES PEMetallurgicalLicensure
LIVE
Metallurgy & Materials Fundamentals — Practice Exam

Metallurgy & Materials Fundamentals prep: atomic structure and bonding, crystal structures and defects, phase diagrams and the iron–carbon diagram, heat treatment, ferrous and non-ferrous alloys, strengthening mechanisms, and the polymer/ceramic/composite material classes — the metallurgy core.

ASM-alignedMetallurgyFundamentals
LIVE
Mechanical Behavior & Materials Testing — Practice Exam

Mechanical Behavior & Materials Testing prep: stress–strain behavior and elastic modulus, yield and tensile strength, hardness testing and conversion, impact and fracture toughness, fatigue (S–N and Goodman), creep, and failure analysis — the ASTM-aligned testing core.

ASTM-alignedTestingMechanical Behavior
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Interactive Readers

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Materials Science & Metallurgy Handbook
18 sections · Interactive Reader

An 18-section interactive reference spanning crystal structures, phase diagrams, mechanical properties, hardness, fatigue and the Goodman diagram, heat treatment, corrosion, alloys, composites, Ashby materials selection, characterization, NDT, additive manufacturing, and welding metallurgy.

Crystal StructuresHeat TreatmentFatigue & GoodmanCorrosion
Open Reader →
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Web Apps

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Ashby Materials Selection ChartLIVE

Interactive log-log Ashby chart with ~38 real materials across 7 families. Toggle modulus-vs-density and strength-vs-density views, and drag a live material-index guideline to find the best material for a light, stiff, or strong design.

Ashby ChartMaterial IndexModulus vs Density
Open →