steelHub - Orowan Equation

Catalogue | Course | Module

Module of

Particle Strengthening

Explore strengthening mechanisms in HSLA steels through empirical models, rolling effects, particle size analysis, and metallographic measurement.

Ferrous Metallurgy

Orowan Equation

Full Code

MET0204220

Module Type

E-learning

Description

Short description:
Understand particle size distribution and its role in predicting flow stress in microalloyed steels.

Long description:
This module delves into the measurement and interpretation of particle size distribution in steels and its direct influence on flow stress prediction. Learners will explore the variability of particle shapes and arrangements, evaluate equations that relate number density and volume fraction, and assess how these parameters affect precipitation hardening. Through theoretical insights and electron microscopy considerations, the module equips learners with methods to approximate mechanical strengthening outcomes using size distribution data in microalloyed steels.

What you will learn

- Assess particle shape and distribution effects on precipitation strengthening accuracy.
- Apply equations linking number density to volume fraction in particle analysis.
- Evaluate how particle size variation influences flow stress outcomes.
- Analyze microscopy-based techniques for particle size measurement in steels.
- Estimate flow stress changes using particle distribution data in alloy design.

Module content

EN ES RU CN

Learning Outcomes

Applied Metallurgy
1

Utilises advanced testing techniques, such as electron microscopy and spectroscopy, for material analysis.

2

Metallic Material Characterisation
1

Measure chemical properties and microstructure of metals for suitability assessment

2

Related Occupations

Engineer - Operation

Monitors process parameters and suggests corrective measures in case of deviations. Contributes to improve Safety, Environment, Quality and Productivity performance. Leads / participates in Technical / Safety investigations. Conducts trials and report findings. Imparts knowledge to operating crew.