DILOT Fit

Fit diffusive and martensitic transformation kinetics using dilatometry or simulated phase data.

Accurately Fit Phase Transformation Behavior for DANTE Material Models

Dilot Fit enables users to fit both diffusive and martensitic phase transformation kinetics using experimental dilatometry data or data generated from third-party software. The calibrated models integrate directly with DANTE, improving the accuracy of transformation timing, phase evolution, and final material state predictions in heat treatment simulations.

Precision Fitting of Phase Transformation Kinetics

Dilot Fit is designed to calibrate phase transformation behavior based on experimentally measured data or external phase fraction datasets. The resulting transformation models allow DANTE to simulate heating, cooling, carburizing, quenching, and tempering with improved material data accuracy, leading to more reliable predictions of microstructure, hardness, and residual stresses.

Dilot Fit is ideal for engineers, metallurgists, and researchers validating heat treatment behavior for new alloys, production materials, or research programs.

Parameter Definition

Define initial parameter values and upper/lower limit
Fit kinetics models to align with measured or simulated transformation behavior
Supports tuning transformation start, finish, and rate behavior for each phase
Useful for both isothermal and continuous cooling transformation analysis

Experimental Data

Import dilatometry data files containing strain vs. time/temperature
Directly fit phase kinetics from measured dilation curves
Alternatively, load third-party–generated phase transformation data (temperature, time, phase fraction)

Controls Definition

Set maximum allowable time step
Set maximum allowable temperature change
Adjust solver behavior to improve fitting accuracy and stability

Fitting Type

Strain-based fitting for dilatometry datasets
Phase fraction–based fitting for 3rd-party simulated transformation data

This flexibility allows users to work with whichever data source is available.

Phase Options

Fit individual phases (e.g., ferrite, pearlite, bainite, martensite)
Fit combinations of phases when working with continuous cooling dilatometry (CCD) data

Fitting Method

Multiple fitting methods available depending on data type and desired accuracy
Each fitting method includes a set of curve-fitting algorithms tailored to the transformation being analyzed
Automated curve-matching tools help visualize results against experimental curves

Applications

Developing phase transformation models for DANTE FEA
Validating CCT/TTT behavior for new or variable alloy compositions
Supporting metallurgical R&D and process optimization
Improving accuracy in predicting microstructure evolution during heat treatment

Student/Trial License

Learn heat treatment. Explore simulation.

Start with the DANTE Student’s Guide to Heat Treating, a quick reference covering the fundamentals of heat treatment, steel microstructures, and common processes. Ready to go further? Get hands-on experience with DANTE through our student/trial license and explore real-world heat treatment simulations.

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