Jean-Marc Tulliani

Jean-Marc Tulliani
Politecnico di Torino | polito · DISAT - Department of Applied Science and Technology

Ph.D. Materials Engineering

About

173
Publications
38,579
Reads
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3,381
Citations
Citations since 2017
71 Research Items
2662 Citations
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20172018201920202021202220230100200300400500600
20172018201920202021202220230100200300400500600
20172018201920202021202220230100200300400500600
Additional affiliations
November 1999 - present
Politecnico di Torino
Position
  • Professor (Associate)

Publications

Publications (173)
Article
Full-text available
Several commercial ceramic resins are nowadays available in the market of Additive Manufacturing, making more approachable ceramic stereolithography (CS) to an extended audience of users, from academic to industrial fields. Lack of knowledge in terms of material characterization and expected behavior in the manufacturing process are the main proble...
Article
Salt crystallization represents a major reason for the damage observed for porous building materials in humid coastal areas. Despite the several theories developed to explain the process, no unanimous opinion has been proposed for the mechanism underlying the damage. A better understanding of the migration, crystallization, and distribution of salt...
Article
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Considering that in the E.U. public procurement in the construction sector is highly represented, the Directive 2014/24/EU is implemented for harmonizing procurement processes across European countries. The Directive is transposed in Italy, through the Sustainable Public Procurement (SPP) national action plan, for supporting public procurement and...
Article
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Nowadays, humidity sensors are attracting a great deal of attention, and there are many studies focusing on enhancing their performances. Nevertheless, their fabrication through facile methods at reasonable cost is a significant factor. In this article, a new magnesium silicate nanopowder was successfully synthesized using a simple and low-cost sol...
Article
This work investigates the printability of Ce-ZrO2/Al2O3 composites through a Digital Light Processing (DLP) technology. Commercially available 10 mol% CeO2 and 12 mol% CeO2-stabilized zirconia were mixed with alumina powders, to provide 11 mol% CeO2-stabilized ZrO2/16 vol% Al2O3 (Ce-ZA16) composite materials. The powders were dispersed under wet c...
Article
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During recent decades, metal oxide semiconductors (MOS) have sparked more attention in various applications and industries due to their excellent sensing characteristics, thermal stability, abundance, and ease of synthesis. They are reliable and accurate for measuring and monitoring environmentally important toxic gases, such as NO2, NO, N2O, H2S,...
Article
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This work reports on the self-healing capabilities of mortar specimens with polyurethane encapsulated in two types of cementitious macro-capsules, by comparison with the performance of mortar specimens using the same healing agent encapsulated in glass capsules, as tested in an inter-laboratory testing campaign following a pre-standard procedure. T...
Article
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The importance of the safety and sustainability of structures has attracted more attention to the development of smart materials. The presence of small cracks (<300 µm in width) in concrete is approximately inevitable. These cracks surely damage the functionality of structures, increase their degradation, and decrease their sustainability and servi...
Article
An efficient and promising approach for effectively dispersing multi-walled carbon nanotubes (MWCNTs) in cementitious composites has been investigated. The naturally occurring organic extracts from species of indigenously known ‘Keekar’ trees scattered along tropical and sub-tropical regions; is found as an exceptional replacement to the non-natura...
Article
Diamond-like carbon (DLC) films represent promising surface treatments for biomedical implants. In this paper, using Raman and X-ray photoelectron spectroscopies, we analyzed the effects of secondary phases present in ZrO2 substrates on the structure of DLC films fabricated by plasma-based ion implantation and deposition method, and the structural...
Article
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Climate change and global warming are two huge current threats due to continuous anthropogenic emissions of greenhouse gases (GHGs) in the Earth’s atmosphere. Accurate measurements and reliable quantifications of GHG emissions in air are thus of primary importance to the study of climate change and for taking mitigation actions. Therefore, the dete...
Article
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Cement composites (CC) are among the composites most widely used in the construction industry, such as a durable waterproof and fire-resistant concrete layer, slope protection, and application in retaining wall structures. The use of 3D fabric embedded in the cement media can improve the mechanical properties of the composites. The use of calcium a...
Article
Application of biochar, produced from locally generated wastes, as admixture in cement is a strategy to upcycle biomass waste and produce durable building materials. This research explores the influence of particle size and porosity of biochar, prepared from coconut shell and wood waste, added at 2 wt% of cement, on rheology, setting time, hydratio...
Article
In this work, a commercial 3 mol% yttrium oxide partially stabilized zirconia spray-dried granules were used as such, and after intensive milling, for the production of dense samples by robocasting technique. The aim was to evaluate the suitability of using spray-dried granules instead of submicronic particles in robocasting of ceramic parts. To th...
Article
The sintering behaviour and microstructural evolution of two batches of a commercial calcium-deficient hydroxyapatite powders were investigated. First, the sintered density as a function of the starting particle size distribution was investigated, and the minimum particle size to get the desired target density was determined. Then, as the two batch...
Article
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Assessing the damage level in concrete infrastructures over time is a critical issue to plan their timely maintenance with proper actions. Self-sensing concretes offer new opportunities for damage assessment by monitoring their electrical properties and relating their variations to damage levels. In this research, fatigue tests were conducted to st...
Article
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Self-healing concrete has the potential to optimise traditional design approaches; however, commercial uptake requires the ability to harmonize against standardized frameworks. Within EU SARCOS COST Action, different interlaboratory tests were executed on different self-healing techniques. This paper reports on the evaluation of the effectiveness o...
Article
Rice husk ash (RHA), a by-product of a biomass combustion plant, was investigated as a new humidity sensing material. The raw material was first calcined at 500 ◦C for 3 h and then characterized by X-ray diffraction (XRD), N2 adsorption, laser granulometry and field emission-scanning electron microscopy (FE-SEM). Thick-film sensors were fabricated...
Article
Alkali-activated pastes prepared starting from refractory wastes were successfully 3D-printed via Direct Ink Writing. In particular, as raw powders, two different aluminosilicates were used: chamotte (CH, mainly composed of corundum, mullite and andalusite) and alumina-zirconia-silica (AZS, mainly baddeleyite, corundum and amorphous silica). First,...
Article
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In this work, dense, porous, and, for the first time, functionally-graded bi-layer scaffolds with a cylindrical geometry were produced from a commercially available hydroxyapatite powder using the robocasting technique. The bi-layer scaffolds were made of a dense core part attached to a surrounding porous part. Subsequently, these bi-layer robocast...
Article
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Development and commercialization of self-healing concrete is hampered due to a lack of standardized test methods. Six inter-laboratory testing programs are being executed by the EU COST action SARCOS, each focusing on test methods for a specific self-healing technique. This paper reports on the comparison of tests for mortar and concrete specimens...
Article
The intensive use of cement-based building materials is a growing concern in terms of environmental impact, since they significantly contribute to the global anthropogenic CO2 emissions. The development of self-sealing cementitious materials could be a possible approach to improve the structural durability and thus reduce overall cost and environme...
Article
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This review aims to provide a comprehensive assessment concerning alkali activation of natural stone wastes and minerals. In particular, the structure of the review is divided into two main sections in which the works dealing with alumino-silicate and carbonatic stones are discussed, respectively. Alumino-silicate stones are generally composed of q...
Article
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Polypropylene/carbon nanotubes (PP/CNTs) nanocomposites with different CNTs concentrations (i.e., 1, 2, 3, 5 and 7 wt%) were prepared and tested as strain gauges for structures monitoring. Such sensors were embedded in cementitious mortar prisms and tested in 3-point bending mode recording impedance variation at increasing load. First, thermal (dif...
Article
Nano-crystalline indium oxide and tungsten-doped indium oxide were prepared by hydrothermal route and adopted as ozone sensitive materials at low temperature, comparing their performances with a commercial indium oxide. After hydrothermal synthesis, powders were calcined at 400 °C for 30 min and characterized by laser granulometry, thermal analysis...
Article
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Capsule-based self-healing is increasingly being targeted as an effective way to improve the durability and sustainability of concrete infrastructures through the extension of their service life. Assessing the mechanical and durability behaviour of self-healing materials after damage and subsequent autonomous repair is essential to validate their p...
Article
The feasibility to prepare alkali-activated materials starting from refractory wastes and their properties after exposure to high temperatures (800, 1000, 1200 and 1400 °C) were investigated. Two different aluminosilicate wastes were used: chamotte (CH, mainly composed of corundum, mullite and andalusite) and alumina-zirconia-silica (AZS, composed...
Article
Full-text available
Sensors for pH evaluation of concrete were made by a sol-gel process with alizarin yellow as pH indicator. The optical absorbance was measured with a visible spectrophotometer coupled with optical fibers. Results showed that the sensors had good reversibility, reproducibility, and fast response time.
Article
Full-text available
In this paper, the great sensitivity and selectivity to NO2 detection at low temperature down to ppb level of zinc oxide (ZnO) thick-film sensors are reported. Sensor performances of ZnO films prepared by screen-printing technique were evaluated comparing two different ZnO nano-powders in wurtzite crystal structure. Powders were synthesized by hydr...
Article
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The present study concerns the experimental investigation of foamed concretes with 1600 kg/m3 density that incorporate biochar additions in the mix. A series of small notched beams are prepared to determine the fracture energy in CMOD (crack mouth opening displacement) mode and the mechanical properties in terms of flexural and compressive strength...
Article
Full-text available
An efficient and promising approach from economy point of view to effectively disperse Multi-walled carbon nanotubes (MWCNTs) in cementitious environment has been devised. The natural organic extract from species of indigenously known ‘keekar’ trees scattered along tropical and sub-tropical countries; is found as an exceptional replacement to the n...
Conference Paper
An efficient and promising approach from economy point of view to effectively disperse Multi-walled carbon nanotubes (MWCNTs) in cementitious environment has been devised. The natural organic extract from species of indigenously known ‘keekar’ trees scattered along tropical and sub-tropical countries; is found as an exceptional replacement to the n...
Article
The use of marble sludge as precursor for new alkali activated materials was assessed studying three different curing conditions (air, humid and water immersion, respectively), after an initial curing at 60 °C for 24 h, and two glass powder fractions additions (2.5 and 5.0 vol%). Microstructural, physical (drying shrinkage, Fourier transform-infrar...
Article
The mechanical behavior of lightweight foamed concrete (LWFC) is markedly affected by microstructural properties, related to the distribution of air bubbles and development of hydration products. In this paper an experimental study on notched beams made of LWFC is carried out, wherein Crack Mouth Opening Displacement (CMOD) is also monitored to com...
Conference Paper
Full-text available
This study focuses on the use of additive manufacturing techniques as a possible way to produce novel types of macro-capsules, suitable to be filled with different healing agents and subsequently embedded in cementitious materials to introduce self-healing properties and deal with the sensitivity of these materials to crack formation. Specifically,...
Article
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Industrial pollution and traffic emissions emit dangerous amounts of O3, NO2, VOCs and PM into environment, bringing higher incidence of morbidity and mortality in respiratory sicknesses [1]. [...]
Article
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Interest in biochar, a sub-product of biomass pyrolysis, has increased enormously in the last few years, finding applications in a wide variety of fields. In the present work, a standardized biochar was used as a nano/micro-filler in cement-based composites, ensuring the reproducibility of cement mixtures. Although, in terms of flexural strength an...
Article
Nano-crystalline cobalt spinel was prepared by combustion synthesis and used as ammonia sensing material. After synthesis, the powder was calcined at 600 °C for 4 h and characterized by thermal analysis, X-ray dif-fraction, Raman spectroscopy, X-ray Photoelectron Spectroscopy, nitrogen adsorption (B.E.T, Brunauer, Emmet, Teller and B.J.H., Barrett,...
Article
Full-text available
Humidity sensors are widespread in many industrial applications, ranging from environmental and meteorological monitoring, soil water content determination in agriculture, air conditioning systems, food quality monitoring, and medical equipment to many other fields. Thus, an accurate and reliable measurement of water content in different environmen...
Article
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Worldwide consumption of coffee exceeds 11 billion tons/year. Used coffee grounds end up as landfill. However, the unique structural properties of its porous surface make coffee grounds popular for the adsorption of gaseous molecules. In the present work, we demonstrate the use of coffee grounds as a potential and cheap source for biochar carbon. T...
Article
The particle size distribution of a commercial Mg‐doped hydroxyapatite powder was tailored through two different milling procedures, carried out under wet or dry conditions. Wet milling gave rise to finer particles, with a narrower size distribution. Tailoring the particles size was the key to produce homogeneous gelcast green bodies, as well as fu...
Article
Full-text available
The fracture behavior of lightweight foamed concrete (LWFC) is significantly influenced by microstructural properties, which are ascribed to the arrangement of air bubbles and pores as well as to the presence of different hydration products. In this contribution, an experimental investigation on the fracture behavior of LWFC is performed. Notched b...
Conference Paper
Carbon nanotubes (CNTs) have several advantages as sensor elements, including large surface area for electrical conductivity, low cost, low-temperature operation and the ability to be functionalized with a variety of polymers for enhanced sensitivity. Using CNTs several researchers have demonstrated laboratory detectors of common environmental gase...
Article
Scaffolds for bone tissue engineering require a combination of bioactivity and bioresorption at the sample surface and high mechanical properties in the bulk. This work presents a novel calcium phosphate (CaP)/polycaprolactone (PCL) scaffold with graded composition and porosity fraction. The scaffold is made of (i) a dense hydroxyapatite (HA)/β-tri...
Article
This review aims to provide a comprehensive survey of recent low-toxic approaches used in the gelcasting process. In recent years, several natural gelling agents have been developed as possible alternatives to acrylamide systems, which were previously used extensively but are now rarely employed owing to their neurotoxicity. This work collects some...
Article
Full-text available
An effective scheme to formulate high performance and multifunctional cement based mortar composites reinforced with varying lengths of carbon fibers has been devised. The detailed investigations pertaining to the fracture response of composites in cracks initiation and progression phases, their conducting mechanism and volumetric stability were pe...
Conference Paper
Concrete is the most widely used construction material in the building and civil infrastructure fields. However, its high sensitivity to crack formation leads to a severe reduction of durability and to an increase of the overall life cycle cost due to both maintenance expenses and loss of serviceability during the repair works. To deal with this pr...
Article
Full-text available
A wet chemical method was used to obtain tungsten oxide nanoparticles from tungsten tetrachloride and natural microfibrous inorganic clay (sepiolite) as a starting material. Precipitation of tungsten oxide species onto sepiolite under basic conditions and subsequent thermal treatment was investigated, prompted by the abundance of sepiolite in natur...
Article
Crystalline BaFe12O19 powder was synthetized by auto-combustion sol gel method, in which citric acid was used both as a fuel and chelating agent. The pre-combusted precursor was calcined at 900 °C for 1 h and characterized by laser granulometry, X-ray diffraction, scanning electron microscopy, thermal analysis and transmission electron microscopy....
Article
Full-text available
In recent years, the detection of ultratraces of nitroaromatic compounds (NACs), such as 2,4,6-trinitrotoluene (TNT), has gained considerable attention due to associated problems related to environment, security against terrorists and health. The principle of NACs detection is simple since any explosive emits a rather small, but detectable number o...
Conference Paper
In this work, the use of the ureolytic bacterial strain Bacillus sphaericus for developing a self-healing cementitious material was investigated. These bacteria are able to precipitate CaCO3, thus the precipitated crystals can fill the cracks that can reduce the service life of concrete as a function of their size and distribution. These crystals a...
Article
Full-text available
ZnO tetrapods have been grown by an environmental microwave evaporation approach in air atmosphere without any use of organic solvents or precursors. The synthesized powder was characterized using X-ray diffractometry (XRD) and Field emission Scanning Electron Microscopy (FE-SEM). The grown ZnO tetrapods exhibited a noteworthy microstructure and ph...
Article
Full-text available
The increasing concern for safety and sustainability of structures is calling for the development of smart self‐healing materials and preventive repair methods. The appearance of small cracks (<300 µm in width) in concrete is almost unavoidable, not necessarily causing a risk of collapse for the structure, but surely impairing its functionality, ac...
Article
Heuristically known at least since the first half of XIX century, the self-healing capacity of cement-based materials has been receiving keen attention from the civil engineering community worldwide in the last decade. As a matter of fact, stimulating and/or engineering the aforementioned functionality via tailored addition and technologies, in ord...
Article
Full-text available
In recent years, researches concerning cement-based materials has been focused not only on the strength and the toughness but also on the durability. In fact, the interest on concrete's self-healing process is increasing, due to the rapidly deterioration of that material which tends to crack and thus quickly deteriorate.
Article
Full-text available
In this work, biochar-based humidity sensors were prepared by drop-coating technique. Polyvinylpyrrolidone (PVP) was added as an organic binder to improve the adhesion of the sensing material onto ceramic substrates having platinum electrodes. Two biochars obtained from different precursors were used. The sensors were tested toward relative humidit...
Article
Full-text available
Abstract: In this study, a glass ceramic with a nominal composition 58ZnO:4Bi2O3:4WO3:33.3B2O3 was synthesized by melt quenching technique. A gas sensor was then manufactured using a ZnO sol-gel phase as a permanent binder of the glass–ceramic to an alumina substrate having interdigitated electrodes. The film sensitivity towards humidity, NH3, H2 a...
Article
Full-text available
Ozone, a strong oxidizing gas, has dramatically increased its concentration in the troposphere during the last decades. Since high O3 concentrations are hazardous to human health, the development of effective methods and economic devices to detect this gas is an urgent need. In this frame, In2O3 is well known as an n-type ozone sensitive and select...
Article
Mortar grouting is often used in masonry constructions to mitigate structural decay and repair damage by filling cracks and voids, resulting in an improvement in mechanical properties. This paper presents an original experimental investigation on grout with added carbon nanotubes (CNTs). The samples were prepared with different percentages of CNTs,...