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金属学报(英文版) 1999
THE FORMATION OF ACICULAR AUSTENITE DURING IN TERCRITICAL ANNEALING OF STEEL 30CrMnSiAKeywords: austenitictransformation,intercriticalannealing,acicular austenite Abstract: １．ＩｎｔｒｏｄｕｃｔｉｏｎＡｕｓｔｅｎｉｔｅａｐｐｅａｒｓｔｏｂｅｄｉｆｆｅｒｅｎｔｍｏｒｐｈｏｌｏｇｙａｃｃｏｒｄｉｎｇｔｏｔｈｅｄｉｆｆｅｒｅｎｔｈｅａｔｉｎｇｓｐｅｅｄ．Ｗｈｅｎｈｅａｔｉｎｇｓｐｅｅｄｅｘｃｅｅｄ１００℃／ｍｉｎｏｒｌｏｗｅｒｔｈｅｎ５０℃／ｍｉｎ，ａｃｉｃｕｌａｒａｕｓｔｅｎｉｔｅａｐｐｅａｒｓ；ｗｈｉｌｅ，ｗｈｅｎｔｈｅｓｐｅｅｄｗｅｒｅｓｃａｌｅｄｔｏａｍｏｄｅｒａｔｅｌｅｖｅｌ，ａｕｓｔｅｎｉｔｅａｐｐｅａｒｓｔｏｂｅｇｒａｎｕｌａｔｅｍｏｒｐｈｏｌｏｇｙ〔１〕…
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