Collector crack the mystery of bronze mirror stainless steel – Collection, bronze mirrors – Gifts & Crafts Industry
Collectors Huai Tong, in the 20 years of collection, research found that the ancient bronze mirror stainless steel and bronze "Cancer rust" disease for the same reasons, because a metal element?? Tin, described as "Success Xiao He, Xiao He also lost . " Science reveal the mystery of stainless
"Huainanzi? Repair service training" in the clear: "In the beginning of the next mirror type, dim, however, no description, and M to mysterious tin, Mount White Zhan, eyebrows micro cents Ke Deer police." "Lu? up Yu" in the early Qin and Han are also, people are dipped in white carpet, "Yuen Tin" to grind mirror the opening of the records.
Song and Yuan dynasties rise of "grinding Mirror", there was the grinding of said mirror medicine. Zhen Ming Feng Mengling in the "fast Xue Tang Man recorded" said: "After the opening of cast bronze mirrors: drugs, money, good for a sixth of tin, mercury a good money. First cast tin, mercury second vote, to take effect, into the Shang Hao alum a sixth of the money, research and listen with. wants to be ancient mercury, mercury decile with alum, tin burning rubbish into the new shape, a little mirror coating, the fire of. wants to be ancient ink painting, after opening the mercury surface completed, the water soaked into the soap alum to take effect on the 1st … … "According to Huai through introduction, grinding Mirrors is the" mysterious tin. "
On the "mysterious tin" really, it was recognized very inconsistent. Huai through access to a wealth of information, until a few months ago found Encyclopedia, he was troubled by eliminating an entire 10-year-old's worries. The ancients had said, "Yuen Tin" shall be called the modern metallurgy "gray tin."
Huai Tong said with a mysterious ancient bronze mirror surface treatment of tin on the entire procedure: Let white tin at low temperatures below 13.2 degrees C occurred in the "tin plague" into gray tin powder, dipped with white felt This powdery gray tin bronze mirrors friction on processing, so that even the back covered with gray mirror mirror tin, this natural oxide layer of gray tin can form crystalline tin oxide or tin oxide film. Whether this layer is a tin oxide film or tin oxide, showed acid is inert, that is very difficult to play a role in the pH, and thus have a good anti-corrosion properties. This is thousands of years of the Han Dynasty bronze mirror the real cause of corrosion does not occur. Restore the loss of ancient bronze
Occurred Bronze Powder Rust is a very troublesome thing ICIF sector, long-term unresolved. This rust in bronze on the first occurrence of powder in a spot, and then spread gradually expanded, and finally all the copper corrosion can be damaged, sometimes adversely affect the surrounding copper. This rust is often important in the early bronze vessels, is a heritage of great harm. National Palace Museum as the focus of this research project had to take off fire, disinfection, quarantine and other measures to save the bronze disease occurrence, but are not valid. Therefore, we have called this powdery rust as a "cancer rust."
Huai Tong said that bronze mirrors have also taken place, "Cancer rust", and bronze powder rust the same. This rust occurred in the Han and Tang bronze mirrors, on a high with tin, bronze mirrors are good quality. The Ming and Qing Dynasty bronze mirror, then little or no powdery rust from occurring, because this period a small amount of tin bronze mirrors, not the bronze. This shows that, in the Xia, Shang and Chou bronzes and Han and Tang bronze mirrors in the occurrence of powdery rust is because the higher amount of copper containing tin, the tin in some storage environments, because the temperature is too low, the internal objects tin into gray tin can result. Powdery rust occurred in bronze mirrors have a strange phenomenon, it is not starting from the bronze mirror surface rust, but from the mirror body pushed the mirror surface fission, and then gradually damage, rust and yellow powder, into a powder form, unlike normal rust, erythema green rust, long the objects surface. This shows that the incidence of powdery rust is not the surface of tin oxide in the copper mirror, but the interior of the tin molecular mirror a qualitative change.
Huai through this discovery aroused great concern of heritage experts, a professor of Beijing Palace Museum, said: All along, we kept all bronzes under low temperature to avoid sun, unable to find reasons, each of the rust was Waste not unusual ancient bronze ware. Huai through this discovery will greatly reduce the scrap rate of ancient Chinese bronzes, ancient Chinese bronzes for the rescue of important practical significance.
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