Materials & Metallurgical interview questions
500 questions with model answers, in four levels. Start with Basic, check yourself honestly, then move up.
Basic questions
- Crystallography & Defects (13)
- Phase Diagrams & Phase Transformations (13)
- Heat Treatment (13)
- Mechanical Behavior & Testing (13)
- Iron & Steelmaking (13)
- Non-Ferrous Metallurgy (13)
- Extractive Metallurgy & Thermodynamics (12)
- Corrosion & Protection (12)
- Powder Metallurgy (12)
- Welding & Joining Metallurgy (12)
- Materials Characterization (12)
- Composites, Ceramics & Polymers (12)
Intermediate questions
- Crystallography & Defects (13)
- Phase Diagrams & Phase Transformations (13)
- Heat Treatment (13)
- Mechanical Behavior & Testing (13)
- Iron & Steelmaking (13)
- Non-Ferrous Metallurgy (13)
- Extractive Metallurgy & Thermodynamics (12)
- Corrosion & Protection (12)
- Powder Metallurgy (12)
- Welding & Joining Metallurgy (12)
- Materials Characterization (12)
- Composites, Ceramics & Polymers (12)
Advanced questions
- Crystallography & Defects (11)
- Phase Diagrams & Phase Transformations (11)
- Heat Treatment (11)
- Mechanical Behavior & Testing (11)
- Iron & Steelmaking (11)
- Non-Ferrous Metallurgy (10)
- Extractive Metallurgy & Thermodynamics (10)
- Corrosion & Protection (10)
- Powder Metallurgy (10)
- Welding & Joining Metallurgy (10)
- Materials Characterization (10)
- Composites, Ceramics & Polymers (10)
Tricky questions
- Crystallography & Defects (7)
- Phase Diagrams & Phase Transformations (7)
- Heat Treatment (7)
- Mechanical Behavior & Testing (6)
- Iron & Steelmaking (6)
- Non-Ferrous Metallurgy (6)
- Extractive Metallurgy & Thermodynamics (6)
- Corrosion & Protection (6)
- Powder Metallurgy (6)
- Welding & Joining Metallurgy (6)
- Materials Characterization (6)
- Composites, Ceramics & Polymers (6)
Sample questions
- What are examples of BCC, FCC and HCP metals?
- What are hypoeutectoid and hypereutectoid steels?
- What is Poisson's ratio?
- What are the main uses of nickel and its alloys?
- What is stress corrosion cracking?
- What is friction stir welding?
- What are dislocations and why do they matter?
- What are the characteristics of the Pb–Sn eutectic?
- What is the stress concentration factor for an elliptical hole?
- What is %IACS?
- What is microbiologically influenced corrosion (MIC)?
- What are diffusion bonding and explosive welding?
- Calculate the equilibrium vacancy concentration in copper at 1000 °C (Qv = 0.9 eV, N ≈ 8.0 × 10²⁸ atoms/m³).
- Tempering at 600 °C for 1 h is specified, but the furnace is limited to 550 °C. What time gives the same effect?
- What controls the sulfur partition ratio between slag and metal?
- What is sensitization in stainless steel and how is it prevented?
- What are a WPS, PQR and WPQ?
- FCC and HCP both have an APF of 0.74, so they should be equally ductile, right?
- The engineering stress–strain curve drops after UTS. Is the material getting weaker?
- Does corrosion require immersion in liquid water?