INVESTIGADORES
DAMONTE Laura Cristina
artículos
Título:
"Ball milling sound statistical analysis and its relationship with the mechanical work intensity"
Autor/es:
CUADRADO- LABORDE, CHRISTIAN; LAURA CRISTINA DAMONTE; MENDOZA ZELIS, LUIS
Revista:
REVIEW OF SCIENTIFIC INSTRUMENTS
Editorial:
AIP
Referencias:
Año: 2004 vol. 75 p. 2334 - 2339
ISSN:
0034-6748
Resumen:
In this article we present an attempt to relate the intensity of the mechanical work done in ball
milling processes with some characteristics of the sound recorded during these milling runs. In order
to reach this purpose the ball milling sound was recorded at several vial frequencies in a broad range
from 14 to 40 Hz, with and without a powder charge. This charge was of two distinct types: Al
1Fe2O3 or Fe2O3 . Two kinds of parameters were proposed to describe quantitatively a milling
sound record: total root-mean-square power ~dB! and 75 ~95! percentile. In order to prove the
validity of these results a comparison was made with the rate of energy transfer necessary to reach
the displacement reaction between Al and Fe2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
validity of these results a comparison was made with the rate of energy transfer necessary to reach
the displacement reaction between Al and Fe2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
sound record: total root-mean-square power ~dB! and 75 ~95! percentile. In order to prove the
validity of these results a comparison was made with the rate of energy transfer necessary to reach
the displacement reaction between Al and Fe2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
validity of these results a comparison was made with the rate of energy transfer necessary to reach
the displacement reaction between Al and Fe2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
Fe2O3 or Fe2O3 . Two kinds of parameters were proposed to describe quantitatively a milling
sound record: total root-mean-square power ~dB! and 75 ~95! percentile. In order to prove the
validity of these results a comparison was made with the rate of energy transfer necessary to reach
the displacement reaction between Al and Fe2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
validity of these results a comparison was made with the rate of energy transfer necessary to reach
the displacement reaction between Al and Fe2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
~dB! and 75 ~95! percentile. In order to prove the
validity of these results a comparison was made with the rate of energy transfer necessary to reach
the displacement reaction between Al and Fe2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.
2O3 . The reaction ignition was apparently delayed, for
milling frequencies in a narrow range around 35 Hz, which can be explained in terms of a decrease
in the rate of energy transfer as suggested by the sound parameters aforementioned. There is general
consensus, between ball milling researchers, that the energy transfer is a monotonous function of the
vial frequency. The results exposed here clearly show that this in fact is not the case. There would
be vial frequencies at which reactions slow down for the given experimental conditions.We propose
then this technique as a tool to monitor ball milling processes for application in several
circumstances. The potential of the method results improve the ability of sound analyzer programs
to measure in real time, without further postprocess. © 2004 American Institute of Physics.2004 American Institute of Physics.
@DOI: 10.1063/1.1765749#DOI: 10.1063/1.1765749#