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Version 8.1

• Implemented a more efficient algorithm to accelerate the calculation of flow stress curves.

• Improved calculation of the elastic limit point in stress-strain curves.

• Improved model and fixed inconsistencies in strength calculations for aluminium alloys.

Version 8.0.1

• corrected typo in parameter for mechanical properties of some Aluminium alloys

Version 8.0

• Implemented a back diffusion model for steels in the Solver and Solidification modules.
• Extended the Solidification module with a quench from back diffusion model for steels and titanium alloys, improved existing quench models, and implemented a variant of the quench from Scheil-Gulliver model for titanium alloys.
• Added specific heat and latent heat of formation for each of the austenite decomposition products to the output of a Solidification calculation using the quench from Scheil-Gulliver model for steels and white cast irons.
• Extended the Cooling module for titanium alloys.
• Extended high-temperature strength and flow stress calculations in the Mechanical module for general steels in the tempered condition.
• Improved calculation of latent heat of formation of ferrite from austenite.
• Reassessed creep for BCC phase in steels.
• Improved creep and rupture strength models for nickel-based alloys.
• Added new dislocation cutting mechanism in aluminium alloys kinetics.
• Remodelled age hardening for Al3Sc phase in aluminium alloys.
• Improved stability of the thermodynamic solver.
• Updated the thermodynamic and properties databases to match those included in JMatPro v14.0.
• Adjusted the Al thermodynamic database.
• Reassessed molar volume of Ti2Cu and Ti2Ni phases for titanium alloys.
• Fixed possible failure in aluminium strength calculations.
• Fixed possible failure in high-temperature strength calculations for general steels.

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JMatPro® API v7.1, June 2022

• Extended Mechanical module with the calculation of tempered hardness for general steels

• Improved Cu effect in the mechanical properties of aluminium alloys

• Improved assessment of kinetics for some phases of aluminium alloys

• Completed and corrected physical properties for TIM_B2 phase of titanium alloys

• Fixed Solidification calculations for aluminium alloys containing oxygen

• Fixed a possible issue affecting Cooling calculations

• Added full Python wrapper and sample code for all available modules

JMatPro® API v7.0, December 2021

• Improved quench from Scheil-Gulliver solidification model for steels to deal with cases where austenite only appears in the solid state

• Reassessed yield strength <-> tensile strength <-> hardness interconversions for steels

• Extended Mechanical module for aluminium alloys, including the calculation of room-temperature and high-temperature strength, as well as flow stress and age hardening curves

• Remodelled contribution of particles at grain boundaries to rupture life in Ni alloys

• Improved calculation of the elastic limit (point of the stress-strain curve at 0 strain)

• Moved jmpSetQuenchRate() to the Core module

• Added function to toggle elastic region in flow stress curves on or off

• Changed the strain rate decade subdivision method used in high-temperature strength and flow stress calculations to produce nicer values

• Updated the thermodynamic and properties databases to match those included in JMatPro® v13.0

• Added NIW and NI6SI2B phases to Ni thermodynamic database

• Adjusted MC phase in Ni and Co thermodynamic databases

• Added AL12MO phase to Al thermodynamic database

• Added CLUSTER metastable phase to Al thermodynamic database

• Adjusted MGRE12 phase in Mg thermodynamic database

• Reassessed thermal conductivity contribution for Cu and Si in FCC phase

• Reassessed thermal conductivity for magnesium alloys with significant Al content

• Fixed bug in Cooling calculations occurring with some user-defined profiles

• Fixed mismatching problems in Solidification calculations using the quench from Scheil-Gulliver model for steels or white cast irons with out-of-step austenitisation temperatures

• Fixed missing reset in Solidification calculations using the quench from Scheil-Gulliver model for steels, which could lead to wrong behaviour for ferritic steels with secondary phases