Cerrolow 136
Appearance
Cerrolow 136, is a fusible alloy that becomes liquid at approximately 58 °C (136 °F). It is a eutectic alloy of bismuth, lead, indium, and tin, with the following percentages by weight: 49% Bi, 18% Pb, 21% In, 12% Sn.
It is also known as ChipQuik desoldering alloy.[1] and Lens Alloy 136, used for mounting lenses and other optical components for grinding.[2] Used for mounting small delicate oddly-shaped components for machining. It slightly expands on cooling, later shows slight shrinkage in couple hours afterwards. Used as a solder in low-temperature physics.[citation needed]
The Young's Modulus is approximately 2.5×106 psi (17.24 GPa) [3]
Similar metals
[edit]Alloy | Melting point | Eutectic? | Bismuth % |
Lead % |
Tin % |
Indium % |
Cadmium % |
Thallium % |
Gallium % |
Antimony % |
---|---|---|---|---|---|---|---|---|---|---|
Rose's metal | 98 °C (208 °F) | no | 50 | 25 | 25 | – | – | – | – | – |
Cerrosafe | 74 °C (165 °F) | no | 42.5 | 37.7 | 11.3 | – | 8.5 | – | – | – |
Wood's metal | 70 °C (158 °F) | yes | 50 | 26.7 | 13.3 | – | 10 | – | – | – |
Field's metal | 62 °C (144 °F) | yes | 32.5 | – | 16.5 | 51 | – | – | – | – |
Cerrolow 136 | 58 °C (136 °F) | yes | 49 | 18 | 12 | 21 | – | – | – | – |
Cerrolow 117 | 47.2 °C (117 °F) | yes | 44.7 | 22.6 | 8.3 | 19.1 | 5.3 | – | – | – |
Bi-Pb-Sn-Cd-In-Tl | 41.5 °C (107 °F) | yes | 40.3 | 22.2 | 10.7 | 17.7 | 8.1 | 1.1 | – | – |
Gallium | 30.0 °C (86 °F) | Pure metal | - | - | - | - | - | - | 100 | – |
Galinstan | −19 °C (−2 °F) | no | <1.5 | – | 9.5–10.5 | 21–22 | – | – | 68–69 | <1.5 |
References
[edit]- ^ Johnson Manufacturing Co, MSDS for Chip Quik Alloy w/Lead. Retrieved on February 6, 2015.
- ^ "Lens Blocking alloy 136 58oC". Lowden Limited. Archived from the original on 17 October 2016.
- ^ Baker, Wilfred E.; Westine, Peter S.; Dodge, Frank T. Similarity methods in engineering dynamics : theory and practice of scale modeling. Fundamental Studies in Engineering. Vol. 12 (Rev. ed.). Elsevier. p. 134. ISBN 0-444-59813-8. Retrieved 5 December 2019.
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