MAT SCI 131 · MSE 131Diffusion and Diffusion-Controlled Reactions
Materials Science and Engineering · 4 units · Undergraduate upper division (100-199)
Diffusion in metals and ionic solids, nucleation and growth theory; precipitation from solid solution, eutectoid decomposition, design of heat treatment processes of alloys, growth of intermediate phases, gas-solid reactions, design of oxidation-resistant alloys, recrystallization, and grain growth.
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 requisite: course 130 or Chemistry 110A.
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 131
- MAT SCI 130Phase Relations in Solids
- MAT SCI 104Science of Engineering Materials
- CHEM 20AChemical Structure
- CHEM 20BChemical Energetics and Change
- PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fieldsanother path to it
- CHEM 20LGeneral Chemistry Laboratory
- MATH 3COrdinary Differential Equations with Linear Algebra for Life Sciences Students
- MATH 3BCalculus for Life Sciences Students
- PHYSICS 1APhysics for Scientists and Engineers: Mechanics
- CHEM 14AGeneral Chemistry for Life Scientists I
- LIFESCI 30AMathematics for Life Scientists
- MATH 32ACalculus of Several Variables
- PHYSICS 1AHPhysics for Scientists and Engineers: Mechanics (Honors)
- MATH 32BCalculus of Several Variables
- CHEM 14AEGeneral Chemistry for Life Scientists I—Enhanced
- PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields
- MATH 31BIntegration and Infinite Series
- CHEM 14BGeneral Chemistry for Life Scientists II
- LIFESCI 30BMathematics for Life Scientists
- CHEM 20AHChemical Structure (Honors)
2 direct requisites. Showing 40 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 131
- MAT SCI 131LDiffusion and Diffusion-Controlled Reactions Laboratory
- MAT SCI 132Structure and Properties of Metallic Alloys
- MAT SCI 140AMaterials Selection and Engineering Design A
- MAT SCI 140BMaterials Selection and Engineering Design B
- MAT SCI 151Structure and Properties of Composite Materials
- MAT SCI 250BAdvanced Composite Materials
- MAT SCI M297CComposites Manufacturing
- MECH&AE M297CComposites Manufacturing
- MAT SCI 201Principles of Materials Science II
- MAT SCI 222Growth and Processing of Electronic Materials
- MAT SCI 223Materials Science of Thin Films
- MAT SCI 226Si-CMOS Technology: Selected Topics in Materials Science
6 courses list this as a requisite. The whole downstream is here — 13 courses over 3 levels. Every course here opens its own tree.