中国铸造装备与技术
中國鑄造裝備與技術
중국주조장비여기술
China Foundry Machinery & Technology
2014年
3期
51-54
,共4页
奥贝球铁%力学性能%指标%综合评价%模糊数学%海明距离%贴近度
奧貝毬鐵%力學性能%指標%綜閤評價%模糊數學%海明距離%貼近度
오패구철%역학성능%지표%종합평개%모호수학%해명거리%첩근도
Austempered ductile iron%Mechanics properties%Indiex%Synthetic evaluation%Fuzzy mathematics%Hamming distance%Near grade
分析了奥贝球墨铸铁在不同奥氏体化温度参数ATP,奥氏体化时间参数AtP,等温温度参数ITP和等温时间参数ItP等热处理条件下力学性能的技术指标，提出了奥贝球铁力学性能指标模糊数学综合评价方法，通过大量计算得出了综合评价结果。计算结果表明，力学性能在奥氏体化温度920℃,奥氏体化时间90min等温温度380和等温时间60min时综合指标最好，在奥氏体化温度940℃,奥氏体化时间30min等温温度350℃和等温时间120min时综合指标最差。本文研究结果为进一步研究球墨铸铁力学性能和新性能球墨铸铁提供了重要的依据。本评价方法对于工程技术方案评价也具有实用价值。
分析瞭奧貝毬墨鑄鐵在不同奧氏體化溫度參數ATP,奧氏體化時間參數AtP,等溫溫度參數ITP和等溫時間參數ItP等熱處理條件下力學性能的技術指標，提齣瞭奧貝毬鐵力學性能指標模糊數學綜閤評價方法，通過大量計算得齣瞭綜閤評價結果。計算結果錶明，力學性能在奧氏體化溫度920℃,奧氏體化時間90min等溫溫度380和等溫時間60min時綜閤指標最好，在奧氏體化溫度940℃,奧氏體化時間30min等溫溫度350℃和等溫時間120min時綜閤指標最差。本文研究結果為進一步研究毬墨鑄鐵力學性能和新性能毬墨鑄鐵提供瞭重要的依據。本評價方法對于工程技術方案評價也具有實用價值。
분석료오패구묵주철재불동오씨체화온도삼수ATP,오씨체화시간삼수AtP,등온온도삼수ITP화등온시간삼수ItP등열처리조건하역학성능적기술지표，제출료오패구철역학성능지표모호수학종합평개방법，통과대량계산득출료종합평개결과。계산결과표명，역학성능재오씨체화온도920℃,오씨체화시간90min등온온도380화등온시간60min시종합지표최호，재오씨체화온도940℃,오씨체화시간30min등온온도350℃화등온시간120min시종합지표최차。본문연구결과위진일보연구구묵주철역학성능화신성능구묵주철제공료중요적의거。본평개방법대우공정기술방안평개야구유실용개치。
The technical indices of mechanics properties of ductile iron with different heat treatment parameters have been researched.The synthetic evaluating method by fuzzy mathematics on those indices has been offered.The evaluating result of technical indices of mechanics properties has been obtained with lot of calculation,resulting in that the best mechanics property occured in conditions of austempering temperature 920 ℃,austempering holding time 90 min,isothermal temperature 380 ℃and isothermal holding time 60 min while the worst occured with austempering temperature 940 ℃,austempering holding time 30 min,isothermal temperature 350℃and isothermal holding time 120 min.23 others samples were between them successively.The result may have an important practical signiifcance for further research of mechanics properties of ductile iron and for developing new properties of ductile iron.The evaluating method in this paper may have an important practical signiifcance for the evaluating on the other project.
