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sulfur hexafluoride detectors

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003229
EISBN: 978-1-62708-199-3
... through acoustic method and bubble testing. The article gives a short note on types of leak detectors, sulfur hexafluoride detectors and mass-spectrometer. It tabulates the pressure and vacuum system leak-testing methods and discusses the application of gas detectors in leak testing. acoustic method...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001445
EISBN: 978-1-62708-173-3
... between the extremes represented by argon and helium ( Fig. 7 ). Rein, et al. ( Ref 20 ) have shown that the addition of small quantities of hydrogen, sulfur hexafluoride, and CO 2 to the helium enhances penetration at welding speeds below 40 mm/s (95 in./min). Fig. 6 Effect of shielding gas...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005641
EISBN: 978-1-62708-174-0
... influenced by convection. A small amount of surface reactant elements (for example, sulfur or oxygen) can change the convection direction. For most metals, thermocapillary flow drives the hot metal to the cold side ( Fig. 3 ), but the addition of sulfur changes the sign of the temperature-dependence function...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001117
EISBN: 978-1-62708-162-7
... metal when heated include the halogens, phosphorus, sulfur, selenium, and tellurium. Unlike zinc, cadmium is not markedly amphoteric, and cadmium hydroxide is virtually insoluble in alkaline media. Like zinc, however, cadmium forms a protective oxide that reduces its corrosion rate in atmospheric...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.9781627081627
EISBN: 978-1-62708-162-7