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Paolo Colombo
University of Padua
Citations
6593
H-index
46
Publications 289
Most Citations
Paolo Colombo46
Estimated H-index: 46
(University of Padua),
Gabriela Mera17
Estimated H-index: 17
(Technische Universität Darmstadt),
Ralf Riedel51
Estimated H-index: 51
(Technische Universität Darmstadt)
... (1 others)
Preceramic polymers were proposed over 30 years ago as precursors for the fabrication of mainly Si-based advanced ceramics, generally denoted as polymer-derived ceramics (PDCs). The polymer to ceramic transformation process enabled significant technological breakthroughs in ceramic science and technology, such as the development of ceramic fibers, coatings, or ceramics stable at ultrahigh temperat...
Ref 433Cited 622 Download Pdf Cite this paper
Michael Scheffler15
Estimated H-index: 15
(University of Erlangen-Nuremberg),
Paolo Colombo46
Estimated H-index: 46
(University of Bologna)
Foreword by David J. Green. Preface. 1 Introduction. 1.1 Cellular Solids - Scaling of Properties. 1.2 Liquid Foams - Precursors for Solid Foams. 2 Manufacturing. 2.1 Ceramic Foams. 2.2 Honeycombs. 2.3 3D Periodic Strutures. 2.4 Connected Fibers: Fiber Felts and Mats. 2.5 Microcellular Ceramics from Wood. 2.6 Carbon Foams. 2.7 Glass Foams. 2.8 Hollow Spheres. 2.9 Cellular Concrete. 3 Structure. 3.1...
Cited 402 Source Cite this paper
Paolo Colombo46
Estimated H-index: 46
(University of Bologna)
Cellular ceramics are a class of highly porous materials that covers a wide range of structures, such as foams, honeycombs, interconnected rods, interconnected fibres, interconnected hollow spheres. Recently, there has been a surge of activity in this field, because these innovative materials have started to be used as components in special and advanced engineering applications. These include filt...
Ref 56Cited 264 Download Pdf Cite this paper
Paolo Colombo46
Estimated H-index: 46
(University of Bologna),
Giovanna Brusatin26
Estimated H-index: 26
(University of Padua),
Enrico Bernardo28
Estimated H-index: 28
(University of Padua)
... (1 others)
Vitrification is widely accepted as the most safe process for treating hazardous wastes and converting them into leach-resistant materials. In this paper a review of the current and emerging waste vitrification technologies is reported. Analysis of different methods of vitrification, according to physical state and composition of the waste, can offer a guideline for process selection. Moreover, th...
Ref 91Cited 168 Source Cite this paper
Paolo Colombo46
Estimated H-index: 46
(Pennsylvania State University)
Abstract By employing carefully controlled processing methods, a large amount of porosity (>70 vol%) was introduced in ceramic materials derived from preceramic polymers (silicone resins) after pyrolysis at 1000–1200 °C in inert atmosphere. The resulting components have a bulk density ranging from ∼250 to 950 kg/m 3 . Three main fabrication methods have here been employed: (1) direct foaming of a ...
Ref 73Cited 133 Source Cite this paper
Gian Domenico Sorarù34
Estimated H-index: 34
(University of Trento),
Stefano Modena4
Estimated H-index: 4
(University of Trento),
Emanuel Guadagnino1
Estimated H-index: 1
(Stazione Sperimentale del Vetro)
... (3 others)
Silicon oxycarbide (SiOC) glasses with controlled amounts of Si—C bonds and free carbon have been produced via the pyrolysis of suitable preceramic networks. Their chemical durability in alkaline and hydrofluoric solutions has been studied and related to the network structure and microstructure of the glasses. SiOC glasses, because of the character of the Si—C bonds, exhibit greater chemical durab...
Ref 31Cited 133 Source Cite this paper
2016 in Journal of Materials Science [IF: 2.60]
Paolo Colombo46
Estimated H-index: 46
(University of Padua),
Cekdar Vakifahmetoglu13
Estimated H-index: 13
(University of Padua),
Stefano Costacurta18
Estimated H-index: 18
(University of Padua)
This article reviews different methodologies for the fabrication of monolithic ceramic components possessing multiscale porosity, i.e., with pores ranging from a few nanometers to several hundred microns. Two main strategies have been discussed: (a) the assembling of micro/mesoporous materials into components possessing also macropores; (b) the addition of micro/mesoporosity to macroporous, cellul...
Ref 283Cited 129 Download Pdf Cite this paper
Paolo Colombo46
Estimated H-index: 46
(University of Bologna),
Enrico Bernardo28
Estimated H-index: 28
(University of Padua)
Abstract Macrocellular and microcellular SiOC open cell ceramic foams were fabricated from a preceramic polymer. Macrocellular foams, with a cell size ranging from about 100–600 μm and a bulk density ranging from about 0.25–0.58 g/cm 3 , depending on the processing parameters, were fabricated using a direct foaming approach. Microcellular foams, with a cell size of about 8 μm, were fabricated usin...
Ref 22Cited 126 Source Cite this paper
Harald Schmidt3
Estimated H-index: 3
(University of Bremen),
Dietmar Koch16
Estimated H-index: 16
(University of Bremen),
Georg Grathwohl22
Estimated H-index: 22
(University of Bremen)
... (1 others)
Porous silicon oxycarbide (SiOC) ceramics in particular bulk and cellular structures are produced via polymer pyrolysis. By using optimal pyrolysis parameters (i.e., heating rate, maximum temperature) the addition of either solid fillers or chemically active additives is efficient in preventing the collapse of pore structure and controlling pore formation through decomposition. Fast pyrolysis can ...
Ref 18Cited 118 Source Cite this paper
Paolo Colombo46
Estimated H-index: 46
(University of Padua),
Michele Modesti25
Estimated H-index: 25
(University of Padua)
Open-cell ceramic foams were obtained from the pyrolysis, at 1000° to 1200°C under nitrogen, of a preceramic polymer (a silicone resin) and blown polyurethanes. The morphology of the expanded polyurethane was reproduced in the final architecture of the ceramic foam. The foams produced in this way consisted of an amorphous silicon oxycarbide ceramic (SiOC), having a bulk density ranging from 0.1 to...
Ref 27Cited 118 Source Cite this paper
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