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钢的过冷奥氏体恒温转变综合动力学曲线简称等温转变曲线或综合动力学曲线,也称作S曲线或C曲线。首先研究钢的过冷奥氏体等温转变的是E.S.Davenport和E.C.Bain等人,他们在文章中写道,由于钢的等温转变曲线的形状近似英文字母S,故将曲线称作S曲线。自此以后,在欧美各国和日本通称S曲线,而苏联和我国却称为C曲线(我国有时也称S曲线)。为什么S曲线又称C曲线呢?据查到的资料说明,不是因为俄文字母中无“S”而用读音相近的“C”来代替,而是由于对转变曲线研究的深入,提出了代替S曲线的新称呼。文献中有关这个问题分述在不同章节中,根据我们对这一问题的理解,
Coke temperature austenite transformation of steel comprehensive kinetic curve referred to as isothermal transformation curve or comprehensive kinetic curve, also known as S curve or C curve. The first study of the isothermal transformation of undercooled austenite in steel by E.S. Davenport and E.C.Bain et al., Wrote in the article that the curve is called the S-curve because the shape of the isothermal transformation curve of the steel approximates the English letter S. Since then, the S-curve has been called the S-curve in Europe and the United States and Japan, while the Soviet Union and China have called the C-curve (sometimes called S-curve in our country). Why is the S-curve also known as C-curve? According to the information found, not because the Russian alphabet without “S ” and the pronunciation of similar “C ” instead, but due to the study of the transition curve , Proposed a new title instead of S curve. The literature on this issue is divided into different chapters, according to our understanding of this issue,