Solidification of Lead Tin and Lead Telluride Eutectic Alloys in Microgravity

Chen, An; Toledo, Rafael Cardoso; Boschetti, C.; Ribeiro, Manuel Francisco; Bandeira, I. N.

doi:10.1007/s12217-013-9348-7

Cited by 9 publications

(5 citation statements)

References 7 publications

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“…The lead composition profile of the samples was obtained by densitometry (Archimedes principle) using CCl 4 (1.592781 g/cm 3 )…”

Section: Resultsmentioning

confidence: 99%

“…The axial composition of the samples was analyzed by densitometry and energy dispersive spectrometry (EDS). The PbSn eutectic alloy is a material that provides convenient physical properties such as low melting point (183 °C), low vapor pressure, and does not react with the surface of the quartz ampoule, being an ideal material for solidification studies of regular eutectic alloys 3 . …”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Study of the redistribution of solute in eutectic lead-tin alloys solidified under high acceleration

Tenório

Toledo

Bandeira

et al. 2018

RBAV

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“…The lead composition profile of the samples was obtained by densitometry (Archimedes principle) using CCl 4 (1.592781 g/cm 3 )…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study of the redistribution of solute in eutectic lead-tin alloys solidified under high acceleration

Tenório

Toledo

Bandeira

et al. 2018

RBAV

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show abstract

“…In the rotation simulations, the furnace system developed by An et al was fixed on the same platform used during the VSB-30 flight, and was fixed in an aluminum arm of 0.5 m in the centrifuge base, Figure 4. In this configuration the centrifuge generate rotations conditions up to 180 RPM (maximum rotation of 1000 RPM) during the solidification process, this is the rotation the VSB-30 in the upward flight; all experiments parameters will be the same as used during Maracati II Mission [16][17][18].…”

Section: Materials Solidification In High Accelerationmentioning

confidence: 99%

“…This experiment aims to investigate if the rotations during the upward flight of the VSB-30 sounding rocket (180 RPM) influenced the solidification process of the eutectic alloys tested during the flight the Maracati II Mission [15][16][17][18], Figure 4. Equipment for the simulation of rotations.…”

Section: Simulation Of Rotations During the Upward Flight Of Vsb-30mentioning

confidence: 99%

Development and Construction of a Centrifuge for Materials Processing in High Accelerations

Tenório¹,

Freitas²,

Lomas³

et al. 2018

TMM

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Different accelerations, larger or smaller than Earth's gravity, can influence the materials solidification process. In order to study these effects in metallic alloys and semiconductors, a research centrifuge was developed at the Associated Laboratory of Sensors and Materials of the National Institute of Space Research (LABAS / INPE). The equipment aims to study the materials solidification both under high accelerations and also at the launching conditions of the VSB-30 sounding rocket, which reaches 180 RPM (revolutions per minute) during upward flight. This launcher was used to perform microgravity experiments in previous laboratory work. This paper presents the design, the component fabrication and the centrifuge assembly.

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“…Up to now, only one fl ight was made at ISS in 2006, carrying eight experiments and the fi rst Brazilian astronaut (Bandeira et al 2007). Four parabolic fl ights were made by Brazilian rockets (VS-30 and VSB-30) built by IAE and launched from the Alcântara Launching Center (CLA), in northeast Brazil (An et al 2011;2012;2014;Garcia et al 2011;Toledo 2013).…”

Section: Introductionmentioning

confidence: 99%

Solidification Furnace Developed for Sounding Rockets: Rio Verde Mission

Toledo

Ribeiro

Bandeira

et al. 2019

J.Aerosp. Technol. Manag.

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Brazil has a Microgravity Program mainly based on experiments using sounding rockets. Up to now, four missions have been carried out with approximately 35 experiments submitted in total. In all flights, the Associate Laboratory of Sensors and Materials of the Brazilian Space Research Institute (LABAS/INPE) participated with a fast solidification furnace, capable of producing temperatures up to 900 °C, which was tested with semiconductor and metal alloys. This paper describes the construction and the performance of that furnace during the last parabolic flight, Rio Verde Mission, occurred in 2016. The solidification furnace is now qualified and ready to be used by other institutions in sounding rocket flights.

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Solidification of Lead Tin and Lead Telluride Eutectic Alloys in Microgravity

Cited by 9 publications

References 7 publications

Study of the redistribution of solute in eutectic lead-tin alloys solidified under high acceleration

Study of the redistribution of solute in eutectic lead-tin alloys solidified under high acceleration

Development and Construction of a Centrifuge for Materials Processing in High Accelerations

Solidification Furnace Developed for Sounding Rockets: Rio Verde Mission

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