有色金属加工
有色金屬加工
유색금속가공
NONFERROUS METALS PROCESSING
2014年
4期
35-38
,共4页
H65%黄铜%带材%工艺%研究
H65%黃銅%帶材%工藝%研究
H65%황동%대재%공예%연구
H65%brass%strip%process%study
晶粒的大小、均匀性及取向决定着带材深冲性能,其受加工率、退火温度、原始晶粒大小等因素的影响。可采用多轧程轧制和退火的方法生产制锁用 H65黄铜带材,均匀分配加工率,采用中轧加工率55%、中间退火工艺460℃~520℃×8h,有利于带材深冲性能的良性遗传;采用精轧加工率50%、成品退火温度680℃,晶粒度控制在20~25μm,充分均匀晶粒和优化结晶取向,可提高带材深冲性能避免深冲破裂。
晶粒的大小、均勻性及取嚮決定著帶材深遲性能,其受加工率、退火溫度、原始晶粒大小等因素的影響。可採用多軋程軋製和退火的方法生產製鎖用 H65黃銅帶材,均勻分配加工率,採用中軋加工率55%、中間退火工藝460℃~520℃×8h,有利于帶材深遲性能的良性遺傳;採用精軋加工率50%、成品退火溫度680℃,晶粒度控製在20~25μm,充分均勻晶粒和優化結晶取嚮,可提高帶材深遲性能避免深遲破裂。
정립적대소、균균성급취향결정착대재심충성능,기수가공솔、퇴화온도、원시정립대소등인소적영향。가채용다알정알제화퇴화적방법생산제쇄용 H65황동대재,균균분배가공솔,채용중알가공솔55%、중간퇴화공예460℃~520℃×8h,유리우대재심충성능적량성유전;채용정알가공솔50%、성품퇴화온도680℃,정립도공제재20~25μm,충분균균정립화우화결정취향,가제고대재심충성능피면심충파렬。
Strip deep -drawing property depends on grain size,uniformity and orientation;it is affected by such factors as processing rate,annealing temperature,the original grain size.Multi -pass rol ing and annealing can be adopted for the production of H65 brass strip.Benign heritage of deep -drawing property can be kept with processing rate in uniform distribution,intermediate rol ing reduction of 55% and intermediate annealing process of 460℃ ~520℃ ×8h;Deep -drawing property can be improved to avoid fracture with finishing rol ing reduction of 50%,annealing temperature of 680℃ for finished product,as wel as by keeping grain size at 20 ~25μm,homogenizing grain and optimizing orientation of crystal ization.