APS	Ammonium peroxydisulfate
AEAPS	3-(2-aminoethylamino) propyl dimethoxy methylsilane
BPA	Bisphenol A
BET	Brunauer–Emmett–Teller
BDDE	1,4-butanediol diglycidyl ether
CNO	Carbon nano-onion
CD	Cathodic disbondment test
Ce–La	Cerium–lanthanum conversion coating
CPs	Conducting polymers
CSA	Camphorsulfonic acid
CS	Chitosan
CEPD	Cathodic electrophoretic deposition
CLSM	Confocal laser scanning microscope
TCS	Chitosan modified TiO2 nanotubes
CNSL	Cashew nutshell liquid
CNC	Conductive carbon nanocomposite coating
CPCC	Chromate/phosphate conversion coated
DBSA	Dodecylbenzene sulfonic acid
DDA	Dodecylamine
DMSO	Dimethyl sulfoxide
DSC	Differential scanning calorimetry
DND	Dodecyl amine modified OND
EIS	Electrochemical impedance spectroscopy
EPA	Epoxy blend with polyaniline
EPM	Epoxy blend with polyaniline/MMT
EDS	Energy dispersive X-ray spectroscopy
EPE	Epoxy ester
EPZ	Epoxy/PANI-ZnO hybrid nanocomposite
epH	Epoxy-phenolic
FESEM	Field emission scanning electron microscopy
FTIR	Fourier transform infrared
FHA	Fluoro hydroxyapatite
GO	Graphene oxide
GPC	Gel permeation chromatography
PGHEP	Hydroxyl epoxy phosphate monomer
HA	Hydroxyapatite
HBP	Hyperbranched polyester-amide polymer
HNPs	Hybrid nanoparticles
HRTEM	High-resolution transmission electron microscopy
ICP	Intrinsically conducting polymers
ICP-OES	Inductively coupled plasma optical emission spectroscopy
ICR	Interface contact resistance
IPNs	Interpenetrating polymer networks
FT-IR	Infrared spectroscopy
LDH	Layered double hydroxides
MMT	Montmorillonite
MG	Modified GO
MNC	Modified NC
MIO	Micaceous iron oxide
MBI	2-mercaptobenzimidazole
KH-570	Methacryloxy propyl trimethoxyl silane
MSNs	Mesoporous silica nanoparticles
MF	Melamine formaldehyde
MD	Molecular dynamics
MC	Monte Carlo
MCPC	Melamine-cured polyester coating
NPs	Nanocomposite
NC	Nanoclay
OCP	Open circuit potential
OMMT	Organo-modified montmorillonite
OND	Oxidized nanodiamond
PEDOT	poly (3,4-ethylenedioxythiophene)
PANI	Polyaniline
PMHS	poly(methylhydrogen)siloxane
Pani-LGS	Polyaniline lignosulfonate-doped polyaniline
PCAIPs	Percent and coated alumina inhibitor particles
PMMA	Poly methyl methacrylate
PU	Polyurethane
PAniC	Polyaniline clay
PACN	Polyaniline clay nanocomposite
PEF	Protection efficiency
PPy	Polypyrrole
PDAP	PPy-deposited alumina particles
Ppy–MMT	Polypyrrole-montmorillonite
PCC	PPy/chitosan composites
PVA	Poly(vinyl) alcohol
PDA	poly-dopamine
PDMS	Poly(dimethylsiloxane)
PTh	polythiophene
PS	Polystyrene
PI	Polyimide
PBI	polybenzimidazole
PDP	potentiodynamic polarization
PEDOT	poly(3,4-ethylene dioxythiophene)
QM	Quantum mechanical
RM	rheometric mechanical spectroscopy
rGO	reduced graphene oxide
SST	Salt spray test
SAXS	Small angle X-ray scattering
SNF	Silicon nanofilaments
SD	Sodium dodecyl sulfate
SPANi	Sulfonated polyaniline
SEM	Scanning electron microscope
TGA	Thermogravimetric analysis
TA	Tannic acid
TNZ	Ti-Nb-Zr
TEM	Transmission electron microscopy
TNT	TiO2 nanotubes
TG/DTA	Thermogravimetry differential thermal analysis
UV–Vis	UV–vis absorption spectra
UF	Urea formaldehyde
VOCs	Volatile organic compounds
WAV	Water-based alkyd varnish
WTM	Wet transfer method
WVT	Water vapor transmission
WPU	Waterborne polyurethanes
XPS	X-ray photoelectron spectroscopy
XRD	X-ray diffraction
ZRP	Zinc-rich epoxy primer’s
ZRP	Zinc-rich paints
ZAPP	Zinc aluminum polyphosphate
ZIF	Zeolitic imidazole framework