Sergio Lorenzi

Prof. Sergio Lorenzi

Department of Engineering and Applied Sciences, University of Bergamo, 24044 Dalmine (BG), Italy
orcid

Research Focus & Metrics

Academic Career Length

19Years (2008-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
1 July 2016 in Electrochimica Acta
Verified
Journal Article
Closed access
Marina CabriniMarina Cabrini
Marina Cabrini
Sergio LorenziSergio Lorenzi
Sergio Lorenzi
TPT. Pastore
T. Pastore
SPS. Pellegrini
S. Pellegrini
EAE.P. Ambrosio
E.P. Ambrosio
Paolo FinoPaolo Fino
Paolo Fino

1 May 2016 in Journal of Materials Processing Technology
Verified
Journal Article
Closed access
Marina CabriniMarina Cabrini
Marina Cabrini
Sergio LorenziSergio Lorenzi
Sergio Lorenzi
TPTommaso Pastore
Tommaso Pastore
SPSimone Pellegrini
Simone Pellegrini
Diego ManfrediDiego Manfredi
Diego Manfredi
CBClaudio Badini
Claudio Badini

1 October 2016 in Construction and Building Materials
Verified
Journal Article
Open access
Luigi CoppolaLuigi Coppola
Luigi Coppola
ABAlessandra Buoso
Alessandra Buoso
Denny CoffettiDenny Coffetti
Denny Coffetti
Patricia Kara De MaeijerPatricia Kara De Maeijer
Patricia Kara De Maeijer
Sergio LorenziSergio Lorenzi
Sergio Lorenzi

21 June 2018 in Materials
Verified
Journal Article
Open access
PDF file
Marina CabriniMarina Cabrini
Marina Cabrini
FCFlaviana Calignano
Flaviana Calignano
Paolo FinoPaolo Fino
Paolo Fino
Sergio LorenziSergio Lorenzi
Sergio Lorenzi
Massimo LorussoMassimo Lorusso
Massimo Lorusso
TPTommaso Pastore
Tommaso Pastore
This experimental work is aimed at studying the effect of microstructural modifications induced by post-processing heat treatments on the corrosion behavior of silicon-aluminum alloys produced by means of laser powder bed fusion (LPBF). The manufacturing technique leads to microstructures characterized by the presence of melt pools, which are quite different compared to casting alloys. In this study, the behavior of an AlSi10Mg alloy was evaluated by means of intergranular corrosion tests according to ISO 11846 standard on heat-treated samples ranging from 200 to 500 °C as well as on untreated samples. We found that temperatures above 200 °C reduced microhardness of the alloy, and different corrosion morphologies occurred due to the modification of both size and distribution of silicon precipitates. Selective penetrating attacks occurred at melt pool borders. The intergranular corrosion phenomena were less intense for as-produced specimens without heat treatments compared to the heat-treated specimens at 200 and 300 °C. General corrosion morphologies were noticed for specimens heat treated at temperatures exceeding 400 °C.

1 October 2018 in Journal of Manufacturing Processes
Verified
Journal Article
Closed access
SBSara Bocchi
Sara Bocchi
Marina CabriniMarina Cabrini
Marina Cabrini
Gianluca D'ursoGianluca D'urso
Gianluca D'urso
Claudio GiardiniClaudio Giardini
Claudio Giardini
Sergio LorenziSergio Lorenzi
Sergio Lorenzi
TPTommaso Pastore
Tommaso Pastore

10 March 2016 in Surface and Interface Analysis
Verified
Journal Article
Closed access
PDF file
Marina CabriniMarina Cabrini
Marina Cabrini
Sergio LorenziSergio Lorenzi
Sergio Lorenzi
TPT. Pastore
T. Pastore
SPS. Pellegrini
S. Pellegrini
MPM. Pavese
M. Pavese
Diego ManfrediDiego Manfredi
Diego Manfredi