WordNet
- someone who makes articles from copper
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- 銅細工師
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出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2015/10/15 16:37:04」(JST)
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For other uses, see Coppersmith (disambiguation).
Dinandier (Coppersmith) at work in the last workshop of brassware subsisting in Dinant (Belgium).
Workshop of a coppersmith in Cloppenburg; the oldest units are from the period around 1850
A coppersmith, also known as a redsmith, is a person who makes artifacts from copper. The term redsmith comes from the colour of copper.
Contents
- 1 Examples of objects made by modern coppersmiths
- 2 Properties of copper
- 3 Notes
- 4 References
Examples of objects made by modern coppersmiths
These include:-
- jewellery, sculptures, weather vanes, overmantels, fenders, decorative panels, and challenge shields;
- plates and cookware, cigarette cases, tobacco jars, tea and coffee pots, jugs, vases, trays, frames, rose bowls;
- awnings, light fixtures, fountains, range hoods, cupolas, and stills.
Copper weather vane created by using traditional coppersmithing techniques
Notable copper styles in the UK include Newlyn in Cornwall and Keswick in Cumbria. Coppersmith work started waning in the late 1970s and early 1980s and those in the sheetmetal trade began doing the coppersmith's work, the practices used being similar to those in the plumbing trade. Coppermiths in recent years have turned to pipe work, not only in copper but also stainless steel and aluminium, particularly in the aircraft industry. They are one of the few trades that have a mention in the Bible.[1]
Properties of copper
Copper is generally considered to be a soft metal, meaning it can be worked without heating. Over a period of working the metal in this way it can "work-harden". This means that the molecules within the copper are compressed and irregular in their arrangement. This causes stress in the metal and eventually cracking the metal along these stress points. In order for the copper to be worked to any extensive degree it must be annealed. This process involves heating the metal and then rapidly cooling it in water. The cooling stage is known as quenching. By heating the copper, the molecules in the metal are relaxed, and thus able to align themselves in a more uniform fashion. This allows for easier shaping of the metal. In order to keep this uniformity within the metal, it is cooled instantly. This prevents the molecules from moving around and causing tension in the structure of the metal. Unlike ferrous metals—which must be cooled slowly to anneal—copper can be cooled slowly in air or quickly by quenching in water.
In regions where copper is mined like Iberia and India there are a number of centres where the coppersmith trade has flourished.
Notes
- ^ 2 Timothy 4:14(KJV), Alexander the coppersmith, although later editions mention a metalworker.
References
- Fuller, John. The Art of Coppersmithing: A Practical Treatise on Working Sheet Copper into all Forms. (online electronic version)Mendham, NJ: Astragal Press, 1993. (reprint of the original 1894 edition). ISBN 1-879335-37-9
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Metalworking
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Smithing
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Smiths |
- Blacksmith
- Bladesmith
- Coppersmith
- Goldsmith
- Gunsmith
- Locksmith
- Pewtersmith
- Silversmith
- Tinsmith
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Processes |
- Forging
- Pattern welding
- Planishing
- Raising
- Sinking
- Swaging
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Tools |
- Anvil
- Forge
- Fuller
- Hammer
- Hardy tools
- Pritchel
- Steam hammer
- Swage block
- Trip hammer
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- Casting
- Fabrication
- Forming
- Jewellery
- Machining
- Metallurgy
- Smithing
- Tools and terminology
- Welding
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English Journal
- Nanoscale Transforming Mineral Phases in Fresh Nacre.
- DeVol RT1, Sun CY1, Marcus MA2, Coppersmith SN1, Myneni SC3, Gilbert PU1,4,5.
- Journal of the American Chemical Society.J Am Chem Soc.2015 Oct 7. [Epub ahead of print]
- Nacre, or mother-of-pearl, the iridescent inner layer of many mollusk shells, is a biomineral lamellar composite of aragonite (CaCO3) and organic sheets. Biomineralization frequently occurs via transient amorphous precursor phases, crystallizing into the final stable biomineral. In nacre, despite ex
- PMID 26403582
- Second-Harmonic Coherent Driving of a Spin Qubit in a Si/SiGe Quantum Dot.
- Scarlino P1, Kawakami E1, Ward DR2, Savage DE2, Lagally MG2, Friesen M2, Coppersmith SN2, Eriksson MA2, Vandersypen LM1.
- Physical review letters.Phys Rev Lett.2015 Sep 4;115(10):106802. Epub 2015 Sep 1.
- We demonstrate coherent driving of a single electron spin using second-harmonic excitation in a Si/SiGe quantum dot. Our estimates suggest that the anharmonic dot confining potential combined with a gradient in the transverse magnetic field dominates the second-harmonic response. As expected, the Ra
- PMID 26382693
- Identifying single electron charge sensor events using wavelet edge detection.
- Prance JR1, Van Bael BJ, Simmons CB, Savage DE, Lagally MG, Friesen M, Coppersmith SN, Eriksson MA.
- Nanotechnology.Nanotechnology.2015 May 29;26(21):215201. doi: 10.1088/0957-4484/26/21/215201. Epub 2015 May 1.
- The operation of solid-state qubits often relies on single-shot readout using a nanoelectronic charge sensor, and the detection of events in a noisy sensor signal is crucial for high fidelity readout of such qubits. The most common detection scheme, comparing the signal to a threshold value, is accu
- PMID 25930073
Japanese Journal
- Drude and Superconducting Weights and Mott Transitions in Variation Theory
- Tamura Shun,Yokoyama Hisatoshi
- Journal of the Physical Society of Japan 84(6), 2015-05-14
- NAID 160000000747
- 複数の復号指数を持つRSA暗号の安全性解析 (マルチメディア情報ハイディング・エンリッチメント)
- 高安 敦,國廣 昇
- 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 114(118), 93-96, 2014-07-03
- NAID 40020152898
- 複数の復号指数を持つRSA暗号の安全性解析 (情報通信システムセキュリティ)
- 高安 敦,國廣 昇
- 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 114(117), 93-96, 2014-07-03
- NAID 40020152244
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