Abbreviation	Definition
PHSS	Precipitation hardening steel
ML	Machine learning
MD	Molecular dynamics
PHS	Precipitation hardening steel
MP	Microstructure and properties
SLM	Selective laser melting
TEM	Transmission electronic microscopy
APT	Atom probe tomography
SAED	Selected area electron diffraction
EDS	Energy dispersive spectroscopy
EBSD	Electron Backscattered Diffraction
ST	Solution treatment
AT	Aging treatment
STT	Solution treatment temperature
STt	Solution treatment time
ATT	Aging treatment temperature
ATt	Aging treatment time
HRTEM	High Resolution Transmission Electron Microscope
FFT	Fast Fourier Transformation
TRIP	Transformation-induced plasticity
STEM	Scanning transmission electron microscope
HAADF	High-angle annular dark-field
AM	Addictive manufacture
L-PBF	Laser powder bed fusion
KAM	Kernel Average Misorientation
VED	Volumetric energy density
WAAM	Wire arc additive manufacture
DMLS	Direct-metal-laser-sintering
FDM	Finite difference method
FEM	Finite element modeling
DD	Dislocation dynamic
CA	Cellular automaton
MPF	Microscopic phase field
MDM	Microscopic dynamic modeling
MC	Monte Carlo
FPC	First principles calculation
FCC	Face-centered cubic
B2	Ordered body centered cubic structure
RF	Random forest
LR	Linear regression
SVR	Support vector regression
MLP	Multi-layer perceptron
CNN	Convolutional neural network
KNN	K-Nearest Neighbor
PM	Physical metallurgy
$M_S$	Martensite starts temperature
YS	Yield strength
UTS	Ultimate tensile strength
$\delta$	Elongation
$K_{IC}$	Fracture toughness
$A_K$	Charpy impact energy (work)
$E_{corr}$	Corrosion potential
$I_{corr}$	Corrosion current density
$E_{pit}$	Pitting potential
$I_{pass}$	Passivation current density