MAT SCI 143A · MSE 143AMechanical Behavior of Materials
Materials Science and Engineering · 4 units · Undergraduate upper division (100-199)
Plastic flow of metals under simple and combined loading, strain rate and temperature effects, dislocations, fracture, microstructural effects, mechanical and thermal treatment of steel for engineering applications.
Letter grading.
When it runs
- Winter 2026
- Winter 2027
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
Official UCLA wording
Enforced requisites: course 104, Mechanical and Aerospace Engineering 101.
BruinTree reads · Prerequisite
confidence 1.00 · from textRequires
Everything that has to come before this course, not just the courses named in the requisite above.
MAT SCI 143A
- MAT SCI 104Science of Engineering Materials
- CHEM 20AChemical Structure
- PHYSICS 1APhysics for Scientists and Engineers: Mechanics
- MATH 32ACalculus of Several Variables
- CHEM 20BChemical Energetics and Change
- CHEM 20AHChemical Structure (Honors)
- PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields
- MATH 32BCalculus of Several Variables
- CHEM 20LGeneral Chemistry Laboratory
- MECH&AE 101Statics and Strength of Materials
2 direct requisites. Showing 30 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
MAT SCI 143A
- MAT SCI 143LMechanical Behavior Laboratory
- MAT SCI 151Structure and Properties of Composite Materials
- MAT SCI 250BAdvanced Composite Materials
- MAT SCI M297CComposites Manufacturing
- MECH&AE M297CComposites Manufacturing
- MAT SCI 243AFracture of Structural Materials
- MAT SCI 243CDislocations and Strengthening Mechanisms in Solids
4 courses list this as a requisite. The whole downstream is here — 7 courses over 2 levels. Every course here opens its own tree.