Giorgio Luciano

• Ph D
• Researcher at Italian National Research Council

The paper reports an overview of the ROPEVEMI project aiming at the development, from laboratory to industrial scale, of an innovative and sustainable microwave-assisted rotational moulding (RM) process for manufacturing of polyethylene (PE) powders into medium-to-large-size hollow items. Based on a preliminary screening of MW-active materials whic...

The compatibility between chitosan (CS) (1 wt%–2 wt%) and gelatin (GEL) (2 wt% and 6.25 wt%) solutions was studied by measuring small and large‐amplitude oscillatory shear at selected blending ratios (CS/GEL: 25/75, 50/50, and 75/25 w/w) and temperature. CS solutions displayed sol–gel transformation, whereas GEL exhibited predominant solid‐like beh...

Thanks to the members of RG, all Researchers and the work carried out by the CORMAT Team, this paper reached 30 citations, 243 recommendations, and 295 reads; we are very happy with these results.

When dealing with vulcanized compounds for tyre and rubber industry, the determination of cross-linking density within the compound polymeric matrix is of a crucial importance. One of the most common methods used to determine it is the Equilibrium-Swelling. By means of this method, the volume fraction of polymer in the swelled compound is obtained,...

Thanks to the members of RG and the work carried out by the CORMAT Research Team, this paper reached 300 recommendations, 558 reads and 12 citations; we are very happy with these results.

Summary Composite materials lie at the forefront of multi- and interdisciplinary research, uniting experts in materials science, polymer and inorganic chemistry, chemical engineering, mechanics, nanotechnology, and beyond. Polymer-based composites, in particular, offer a unique blend of mechanical strength, lightweight design, optical versatility,...

Thanks to the members of RG and the work carried out by the CORMAT Research Team, this chapter reached 200 reads and 261 recommendations, we are very happy with these results.

Thanks to the members of RG, all Researchers and the work carried out by the CORMAT Team, this paper reached 250 recommendations and 335 reads: we are very happy with these results.

Thanks to the members of RG and the work carried out by the CORMAT Research Team, this paper reached 400 reads, 244 recommendations and 9 citations; we are very happy with these results.

Numerical simulations and optimizations methods are increasingly used in the field of kinetic analysis of solid-state processes, such as the crystallization of glassy materials. The influence of the simulations accuracy (with the two main factors being the initial value of conversion rate and the density of points) on the kinetic distortions was te...

In this work, we present a versatile, rapid, and low-cost manufacturing technique to develop bioceramic scaffolds that could enhance bone tissue regeneration via microwave preparation using a domestic microwave oven. The scaffolds were prepared by combining hydroxyapatite and water glass (sodium trisilicate solution), foamed by using a microwave ov...

Background: The role of vitamin D (25(OH)D) in the pathogenesis and outcome of several conditions, including autoimmune diseases, diabetes and cancers is largely described in the literature. The aims of this study were to evaluate the prevalence of 25(OH)D deficit in a cohort of patients with neuroendocrine neoplasms (NENs) in comparison to a match...

Heat moisture treatment (HMT) was used to improve the functionalities of elephant foot yam starch (EFYS) by using selected heating techniques such as hot air oven (HAO), autoclave (AL), and microwave (MW). The swelling power and solubility were reduced significantly after HMT modification, whereas an increase in amylose content was detectable after...

Thanks to the members of RG and the work carried out by the Research Team, this paper reached 500 reads, 336 recommendations and 57 citations; we are very happy with this result.

Thanks to the members of RG and the work carried out by the CORMAT Research Team, this paper reached 200 recommendations and passed 335 reads; we are very happy with this result.

In an effort to reduce greenhouse gas emission, reduce the consumption of natural resources, and increase the sustainability of biocomposite foams, the present study focuses on the recycling of cork processing waste for the production of lightweight, non-structural, fireproof thermal and acoustic insulating panels. Egg white proteins (EWP) were use...

The present paper reports on the formulation and characterization of composite coating materials susceptible to microwave (MW) heating to investigate their application in making the rotomolding process (RM) more energy efficient. SiC, Fe2SiO4, Fe2O3, TiO2 and BaTiO3 and a methyl phenyl silicone resin (MPS) were employed for their formulations. Expe...

Heat moisture treatment (HMT) was used to improve the functionalities of elephant foot yam starch (EFYS) by using selected heating techniques such as hot air oven (HAO), autoclave (AL), and microwave (MW). The swelling power and solubility were reduced significantly after HMT modification, whereas an increase in amylose content was detectable after...

Micro- and nanoscale corrosion and etching at are important in several fields, from the fabrication of sensors and membranes to investigations of the properties of micro- and nanocomposites [...]

Thanks to Researchers, the members of RG and the work carried out by the Research Team, this paper reached 50 citations, we are very happy with this result !!!

Thanks to the members of RG and the work carried out by the Scientific Research Team, this paper reached 100 reads, we are very happy with this result.

Nowadays, sensors are among the most exploited systems in everyday life, with widespread applications stimulating increasing research. Usually, they require external power, thus adding issues such as periodic maintenance and size constraints. Energy harvesting (EH) from mechanical vibrations (VEH) can overcome such limitations: in particular, Rever...

Performance of several neural network architectures (convolutional neural network CNN, multilayer perceptron MLP, CNN/MLP hybrid CDD) was evaluated for kinetic analysis of complex processes with overlapping independent reaction mechanisms based on the nucleation-growth Johnson-Mehl-Avrami (JMA) model. Theoretically simulated data used for the testi...

A novel thiophene derivative, namely 2,5-diisopropenylthiophene (DIT) was synthetized by Suzuki-Miyaura cross-coupling reaction (SMCCR). The influence of reaction parameters, such as temperature, solvent, stoichiometry of reagents, role of the base and reaction medium were thoroughly discussed in view of yield optimization and environmental impact...

Hybrid joining (HJ) is the combination of two or more joining techniques to produce joints with enhanced properties in comparison to those obtained from their parent techniques. Their adoption is widespread (metal to metal joint, composite to composite and composite to metal) and is present in a vast range of applications including all industrial s...

Specialized software designed to analyze nonlinear rheological data from large amplitude oscillatory shear tests is not widespread. Instances that exist that are open source are typically based on proprietary meta-languages. The availability of a package in the R environment can help researchers to rely on a Free Open Source Software reproducible w...

Artificial neural networks (ANNs) are a method of machine learning (ML) that is now widely used in physics, chemistry, and material science. ANN can learn from data to identify nonlinear trends and give accurate predictions. ML methods, and ANNs in particular, have already demonstrated their worth in solving various chemical engineering problems, b...

Highly hydrophobic aluminium surfaces fabricated by chemical etching are investigated by Contact Angle Goniometry, Scanning Electron Microscopy and X-ray Photoelectron Spectroscopy in order to correlate the wettability of our samples with their morphology at the sub-micrometer scale and with the chemical composition of the very first surface layers...

The effect of procedural conditions (density of points, initial value of conversion rate) on the accuracy of Šesták-Berggren (AC) simulations was studied. Newly developed software programmed in R-language and using the LSODA initial-value-problem-solver was used to simulate sets of AC kinetic data-sets with increasing precision. Evaluation of the k...

This study focused on the characterization of an epoxy resin-based adhesive used in the hybrid friction stir welding-adhesive bonding (FSW-AB) technology which involves the use of polymeric adhesives to join aluminium and steel elements giving significant advantages as well as uniform distribution of bond-joint stress, protection from corrosion, an...

Thermal analysis consists of a wide range of methodologies that can be applied to assess the composition and properties of materials. This paper describes the basic features of a new package for the R software named takos for simulating and analysing calorimetric data sets. The package can simulate data via the Šesták Berggren (SB), Johnson–Mehl–Av...

Nowadays, the investigation of smart methods promoting PVDF β phase has become an important research topic in many energy related fields. In this work, compression moulding was proposed as an effective, simple and easy-scalable technique to tune PVDF polymorphism and obtain the desired crystalline form, exploiting a procedure in two steps. After a...

Performance of the differential and integral isoconversional methods of kinetic analysis was evaluated for complex processes with overlapping independent or consequent reaction mechanisms. Novel way of combined interpretation of the activation energy dependences provided by both differential and integral methods was developed, enabling precise dete...

Photonic technologies are nowadays dominated by highly performing inorganic structures that are commonly fabricated via lithography or epitaxial growths. Unfortunately, the fabrication of these systems is costly, time consuming, and does not allow for the growth of large photonic structures. All-polymer photonic crystals could overcome this limitat...

The nonisothermal crystallization (NIC) behavior of solution‐cast polylactide (PLA)/polyethylene glycol (PEG)/graphene oxide (GO) nanosheets composite (PLA/PEG/GO) films was examined at the selected cooling rate. The crystallization temperature (Tc) of the PLA/PEG matrix improved with increasing the reinforcement of GO (0.5%‐2% w/w) at a constant c...

The aim of the present work was to develop an antimicrobial nanopackaging for food application by incorporating zinc oxide (ZnO) nanoparticles and clove essential oil (CEO) into polylactide/polyethylene glycol/polycaprolactone (PLA/PEG/PCL) blend using the solution cast technique. The developed films were characterized by thermal, rheological, mech...

Theoretically simulated kinetic data were used to evaluate the performance of the most common isoconversional methods of kinetic analysis in complex-process scenarios with two independent overlapping processes exhibiting nucleation-growth kinetics, and further expand the conclusions for the autocatalytic kinetic processes with positive asymmetry. I...

The degree of available energy on a surface determines how a surface interacts with its surrounding environment such as corrosion. Current approaches to protection of Aluminum surfaces from corrosion mainly focus on adding an organic or inorganic layer to either act as a barrier from oxidant or scarifying to inhibit the corrosion. Altering the surf...

This study deals with the development of new epoxy adhesive systems to be used in friction stir welding (FSW) technology and FSW-bonding hybrid technique for joining steel hull elements with aluminum superstructures. The addition of suitable additives, such as inorganic fillers, to the most promising formulations aims at obtaining materials not onl...

In the present study, the non-isothermal crystallization behavior of solution cast poly(ε-caprolactone) (PCL)/ graphene oxide (GO) nanocomposite (PCL/GO) films was investigated at a different cooling rate. The loading concentration of GO (0.25 to 1% w/w) increased the crystallization temperature (Tc) of PCL matrix at a constant cooling rate. Variou...

The present research work is focused on the formulation, synthesis and evaluation of three novel eco-friendly hybrid epoxy–silicon (EP-S) coatings. For comparative purposes, two commercial epoxy (EP) coatings were also evaluated. The protective properties of the coatings were evaluated by means of Electrochemical Impedance Spectroscopy (EIS), also...

Aluminum silicon based alloys are the most important commercial casting alloys. Their cast microstructure is strongly related to their technical properties. By adding other selected alloying elements, the alloy microstructure is known to be modified, thus improving its desired properties. Rare earths (RE) can be used as alloying elements to achieve...

A simple model for the effect of intergranular corrosion on overall corrosion processes is investigated using a cellular automata approach. The corroding polycrystalline material consists of domains and their boundaries. The domains represent the monocrystalline cores while their boundaries represent the intergranular defects. Either, a periodic pa...

This paper presents the use of self-assembled molecular (SAM) layers of fluorophosphonic acids developed on aluminum surface. The SAM monolayers were adsorbed from ethanol solution, characterized by surface morphology visualized by atomic force microscopy, and by the wettability by contact angle measurements. The anti-corrosion efficiency of the na...

In this study, superhydrophobic films were prepared through a spraying process of carbon nanotube (CNT) suspension on aluminium alloy substrate and characterized by scanning electronic microscope (SEM) contact angles (CAs) and potentiodynamic polarization tests in 0.1 M NaCl solution. Results indicate the positive effect of superhydrophobic film on...

The structural stability of Al layers in contact with 3.5 wt.% NaCl water solution was investigated at a temperature of 25 °C and hydrostatic pressures from 1 to 600 atm using neutron reflectometry. A pressure–temperature (P–T) Neutron Reflectometry (NR) cell developed at Los Alamos National Laboratory (LANL) was used to understand the behavior of...

The lanthanides, for their chemical characteristics and chemical-physical properties, present themselves as strong candidates in the search for new corrosion inhibitors. These elements have often been used in aqueous solution in contact with Al-based materials in order to promote, after immersion, the formation of a surface passivation layer compos...

Three novel siliconepoxy ecocompatible coatings were characterized by means of Electrochemical Impedance spectroscopy (EIS) and Fourier Transformed Infrared Spectroscopy (FT-IR), Atomic Force Microscope (AFM) and Electronic Microscopy (SEM) in the effort to find new anticorrosion protective material for application in marine environment.

Congress Location: Sestri Levante - Italy

The aim of this study is to investigate deep sea environment effects on the corrosion of Al, Fe, and Cu alloys, employed in the KM3NeT project, a deep sea infrastructure designed to host a neutrino telescope. Alloys commonly used in seawater, as well as less widely employed materials were studied. Samples were immersed at the NEMO site (located off...

This study takes the first step toward in situ analysis of powder drugs which does not require any alteration of the samples. A fast, inexpensive analytical method based on reflectance near-infrared (NIR) spectrometry and multivariate calibration was applied. A diode-array fiber-optic portable spectrometer in the 900-1700 nm range was employed. Sam...

This paper shows the results of the investigation on the corrosion behaviour of in­ novative AI- based composite materials. These classes of materials are generally used for engineering applications because of their technological properties as well as rea­ sonable cost. Free corrosion and electrochemical tests were carried out in quiescent natural...

The aim of this paper is to introduce the reader to the applications of chemometric techniques (i.e. Design of Experiment (DoE), classification and modelling techniques) in the field of corrosion science, which currently are not commonly spread. By means of key examples, it will be shown how they can be fruitfully applied and enhance the quality of...

The aim of this review is to introduce the reader to the applications of chemometric techniques in the field of corrosion science, which currently are not commonly spread. By means of key examples it will be shown how they can be fruitfully applied and enhance the quality of a laboratory workflow.

This paper discusses statistical methods and a workflow strategy for comparing performance across multiple sensory panels that participated in a proficiency test (also referred to as inter laboratory test). Performance comparison and analysis are based on a data set collected from 26 sensory panels carrying out profiling on the same set of candy sa...

Corrosion protection performance of organic coatings applied on car parts is often assessed by means of conventional methods (e.g. salt fog chamber test). However, there is a strong interest in the development of new, reliable, and short-time quality tests. The aim of this work was to extend the use of electrochemical measurement techniques -alread...

Dielectric properties of β-lactoglobulin dispersions were measured at the selected microwave frequency range (915 and 2450MHz) by the open-ended coaxial probe method using a network analyzer. The effects of temperature (20–90°C), concentration (5–15% w/w) and pH (4–10) on dielectric properties were investigated using a response surface methodology...

The objective of this paper was to try to estimate mango fruit firmness by combining an optical method (vis/NIR absorbance spectroscopy) and a non-destructive acoustic technique. Partial least squares regression (PLS) models based on derivatives of absorbance or reflectance spectra in the vis–NIR domain (400– 1050 nm), using either the entire range...

Dielectric properties of potato flour-water dispersions (slurry) were measured in the frequency range of 500–2500 MHz by the open-ended coaxial probe method using a network analyzer as a function of concentration (10–25% w/w) and temperature (20–75C). Both commercial and laboratory prepared samples of potato flours were used. Results indicated that...

Principal Component Analysis (PCA) was applied on colour measurements performed on outdoor bronze patinas and protective coating systems on bronze coupons in order to monitor natural weathering and cleaning effects. PCA chemometric technique is shown to be a powerful tool to analyse the large measurement data set which is needed to characterise the...

a b s t r a c t Dielectric properties of b-lactoglobulin dispersions were measured at the selected microwave frequency range (915 and 2450 MHz) by the open-ended coaxial probe method using a network analyzer. The effects of temperature (20–90 °C), concentration (5–15% w/w) and pH (4–10) on dielectric properties were investigated using a response su...

This paper compares two different methods for combining PCA and ANOVA for sensory profiling data. One of the methods is based on first using PCA on raw data and then relating dominating principal components to the design variables. The other method is based on first estimating ANOVA effects and then using PCA to analyse the different effect matrice...

An amperometric glucose biosensor was developed using an anionic clay matrix of hydrotalcitic nature (Ni/Al-NO3 HT) as enzyme support, which was electrochemically synthesized at -0.90 V versus SCE, using a rotating disk Pt electrode to assure homogeneity of the electrodeposition suspension. The biorecognition element was glucose oxidase (GOx) immob...

This paper presents a survey of electrochemical impedance spectroscopy (EIS) measurements on copper and bronze patinas, both on coupons and on outdoor bronze monuments. Corrosion rates of the various patinas under examination show a wide range of values as can be guessed from the low frequency impedance modulus varying over two orders of magnitude....

Differential scanning calorimetry (DSC) and thermogravimetric analysis (TG) were performed on wood samples of different essences (fir, chestnut, poplar, linden and oak) before consolidation. A kinetic analysis was applied on the two-steps decomposition processes occurring in all wood samples using either the multiheating rates Kissinger equation an...

Colour measurements have been performed on outdoor bronze patinas and protective coating systems with a portable spectrophotometer. Colour difference reduction upon patinas cleaning on a monument is monitored. Colour differences upon natural weathering measured on coatings applied to bronze coupons show they are mainly due to the decrease in lightn...

Cellulose paper (Whatman no.1, chromatographic grade) was oxidised with 0.1 M sodium metaperiodate at different oxidation levels (0–11 days at room temperature), and analysed with FTIR before and after chemical treatments (reduction, further oxidation, alkaline hydrolysis). The deconvolution of infrared data allowed us to verify that periodate oxid...

An oxidative reaction of cellulose with sodium methaperiodate was performed in order to reproduce the natural ageing of textiles. The oxidised groups were transformed into free macroradicals by treatment with UV light. In presence of acrylic monomers in the vapour phase, these reactive sites become the starting point for the graft copolymerisation...

Analyses of papyrus plants (Cyperus papyrus L.) from the Botanical Garden of the University of Genova and Ciane River (Siracusa) were used as a basis for the detection of histological features in papyrus paper. Both modern and ancient papyrus papers were analysed. Modern papyrus were manufactured at “Museo del Papiro di Siracusa”; two types of anci...

The oxidation reactions of cellulose involve the primary and secondary hydroxyl groups of the pyranose ring and result in carbonyl and carboxyl groups. This reaction can be accompanied by opening the pyranose ring. In any cases the glucosidic bond becomes weaker; the formation of carboxyl groups induces a depolymerisation, thus reducing the polymer...

An archaeometallurgical research project has been underway for several years in the laboratories of the Department of Chemistry and Industrial Chemistry of the University of Genoa (Italy). Its principal objective is to identify the relationship between ancient metallic artefacts and how they are made. Other objectives are the alteration and conserv...

September 21-24, 2003, Vienna/Austria