6082锟絏锟较斤拷D锟斤拷锟絏锟酵诧拷锟斤拷锟絘(ch锟斤拷n)锟斤拷藝锟叫撅拷

    6082锟絏锟较斤拷锟斤拷锟斤拷Al-Mg-Si系锟斤拷處锟斤拷锟缴忥拷(qi锟斤拷ng)锟斤拷锟斤拷锟絏锟较斤拷锟斤拷锟斤拷锟斤拷锟叫等忥拷(qi锟斤拷ng)锟饺猴拷锟斤拷锟矫的猴拷锟斤拷锟斤拷锟杰猴拷锟酵革拷锟絞锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟节斤拷通锟絓(y锟斤拷n)輸锟酵結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟截機(j锟斤拷)锟斤拷锟斤拷頂橈拷(g锟斤拷u)锟斤拷锟斤拷锟斤拷通車锟斤拷锟絓(y锟斤拷n)輸锟斤拷锟斤拷锟斤拷

    

    锟斤拷锟侥岋拷(du锟斤拷)6082锟絏锟较斤拷(y锟斤拷ng)锟斤拷锟斤拷锟紻锟斤拷锟酵诧拷锟斤拷锟絘(ch锟斤拷n)锟組(j锟斤拷n)锟斤拷锟斤拷試锟�(y锟斤拷n)锟叫撅拷锟斤拷锟皆確锟斤拷锟斤拷锟絤锟斤拷锟斤拷锟絋锟酵擠锟斤拷锟斤拷藝锟狡讹拷锟斤拷

    

    2.锟斤拷锟絋锟斤拷藝

    

    2.1 锟斤拷锟絎(xu锟斤拷)锟缴凤拷

    

    锟斤拷6082锟絏锟较金化學(xu锟斤拷)锟缴凤拷見锟斤拷1

 

    

    2.2 锟缴分匡拷锟斤拷

    

    6082锟絏锟较斤拷煞志锟斤拷袃蓚锟�(g锟斤拷)锟斤拷要锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟絤锟斤拷锟斤拷Mn锟斤拷Cr锟斤拷锟节讹拷锟斤拷Mg锟斤拷Si锟斤拷锟斤拷锟斤拷锟斤拷(du锟斤拷)锟絕锟斤拷锟斤拷锟斤拷锟叫ｏ拷Mn锟斤拷Cr锟饺合斤拷元锟截匡拷锟斤拷K锟紻锟斤拷锟絩(sh锟斤拷)锟酵擠锟斤拷锟斤拷l(f锟斤拷)锟斤拷锟劫結(ji锟斤拷)锟斤拷锟斤拷锟劫結(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟絃锟襟，硷拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷

    

    锟斤拷锟斤拷Mn + Cr锟斤拷锟斤拷锟斤拷锟絕锟竭匡拷锟斤拷锟轿成分別锟斤拷Mn锟斤拷Cr锟侥粗达拷诙锟斤拷锟�锟斤拷锟斤拷锟斤拷Mg2Si锟斤拷某锟斤拷韽�(qi锟斤拷ng)锟斤拷效锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷K锟劫結(ji锟斤拷)锟斤拷锟酵硷拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟絩(sh锟斤拷)锟斤拷Mn锟斤拷Cr元锟截曪拷(hu锟斤拷)锟斤拷锟斤拷6082锟絏锟较斤拷拇锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷α锟斤拷Al锟斤拷锟斤拷锟叫產(ch锟斤拷n)锟斤拷锟斤拷(y锟斤拷n)锟截的撅拷锟斤拷(n锟斤拷i)偏锟斤拷锟斤拷锟斤拷蓴D锟斤拷锟斤拷品锟街撅拷锟組锟斤拷锟斤拷锟斤拷锟斤拷锟酵诧拷锟斤拷锟斤拷锟斤拷色效锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷Mg锟斤拷Si锟缴分ｏ拷6082锟絏锟较斤拷锟斤拷Mg2Si锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷同锟絩(sh锟斤拷)锟斤拷通锟絕锟斤拷锟斤拷锟絤锟斤拷锟絕剩Si锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷

    

    锟斤拷锟�锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷(du锟斤拷)Mn锟侥猴拷锟斤拷锟組(j锟斤拷n)锟斤拷試锟�(y锟斤拷n)锟絖锟斤拷锟斤拷锟斤拷Mn锟斤拷锟斤拷锟斤拷0.6%-0.65%锟斤拷0.9%-0.95%锟組(j锟斤拷n)锟叫岋拷(du锟斤拷)锟饺★拷锟絣(f锟斤拷)锟紽(xi锟斤拷n)Mn锟斤拷锟斤拷偏锟斤拷锟睫時(sh锟斤拷)锟斤拷锟斤拷品尾锟斤拷锟街撅拷锟組锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷偏锟斤拷锟斤拷锟斤拷锟皆岋拷(du锟斤拷)锟饺確锟斤拷Mn锟斤拷锟斤拷锟侥冿拷(y锟斤拷u)锟斤拷锟斤拷锟斤拷锟斤拷0.6%-0.65%锟斤拷Cr锟侥猴拷锟斤拷锟剿匡拷锟斤拷锟斤拷0.15%锟斤拷锟斤拷锟斤拷锟斤拷Mn+Cr)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0.70%-0.80%锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷Mg2Si锟斤拷锟斤拷锟剿匡拷锟斤拷锟斤拷1.5%-1.6%锟斤拷锟絕剩Si锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0.3%锟斤拷锟斤拷锟斤拷

    

    6082锟絏锟较斤拷膶锟�(sh锟斤拷)锟紿锟缴分匡拷锟狡凤拷锟斤拷見锟斤拷2

 

    

    2.3 锟斤拷藝锟斤拷锟斤拷

    

    锟斤拷锟斤拷6082锟絏锟较斤拷锟絕锟斤拷锟斤拷锟斤拷c(di锟斤拷n)锟角猴拷锟統锟桔斤拷锟斤拷M(f锟斤拷i)n锟斤拷Mn锟斤拷锟絤锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟金晶冿拷(n锟斤拷i)偏锟斤拷锟斤拷锟斤拷液锟絕(q锟斤拷)锟斤拷锟皆斤拷锟酵ｏ拷锟斤拷(d锟斤拷o)锟铰匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絋锟斤拷藝锟斤拷要锟斤拷注锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷前锟斤拷锟桔燂拷锟斤拷(y锟斤拷ng)注锟斤拷锟斤拷茰囟锟斤拷锟�740-760锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷颍锟斤拷C锟斤拷锟斤拷锟斤拷全锟桔伙拷锟斤拷锟截度滐拷(zh锟斤拷n)锟絖锟斤拷锟缴分撅拷锟斤拷锟斤拷

    

    锟节讹拷锟斤拷锟絋锟届應(y锟斤拷ng)锟斤拷锟絔锟斤拷锟斤拷M(f锟斤拷i)n锟斤拷锟斤拷锟剿合斤拷锟秸筹拷龋锟绞癸拷锟斤拷锟斤拷锟�(d锟斤拷ng)锟斤拷锟铰斤拷锟斤拷影锟斤拷撕辖锟斤拷T锟斤拷锟斤拷锟斤拷锟斤拷锟絋锟斤拷锟劫讹拷要锟絤锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷80-100mm/min锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷

    

    锟斤拷锟斤拷锟斤拷锟接达拷锟斤拷s锟斤拷(qi锟斤拷ng)锟饺ｏ拷锟接匡拷锟斤拷s锟劫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(n锟斤拷i)偏锟斤拷锟紽(xi锟斤拷n)锟斤拷锟�锟斤拷锟斤拷锟揭伙拷锟斤拷锟絪锟斤拷(qi锟斤拷ng)锟饺ｏ拷锟接达拷锟斤拷锟斤拷锟絪锟斤拷(qi锟斤拷ng)锟斤拷锟皆減锟斤拷锟絋锟斤拷r(sh锟斤拷)锟絘(ch锟斤拷n)锟斤拷锟侥戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷a(ch锟斤拷n)锟斤拷锟絋锟絍锟窖紋缺锟斤拷锟斤拷锟斤拷s水锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷0.1-0.3MPa锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷

    

    3.锟斤拷锟斤拷锟剿伙拷

    

    6082锟絏锟较斤拷變锟轿匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷指锟斤拷(bi锟斤拷o)偏锟竭★拷通锟絕锟斤拷锟斤拷處锟斤拷锟斤拷藝锟斤拷锟狡合斤拷M锟斤拷锟斤拷锟絖(d锟斤拷)锟斤拷锟斤拷锟斤拷(g锟斤拷)锟斤拷要效锟斤拷锟斤拷锟斤拷止锟斤拷芙锟組g2Si锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(n锟斤拷i)偏锟斤拷锟斤拷β锟斤拷Al9Fe2Si2锟斤拷锟斤拷锟斤拷α锟斤拷Al12Fe3Si2锟斤拷锟斤拷锟紻(zhu锟斤拷n)變锟斤拷锟斤拷锟斤拷(x锟斤拷)锟斤拷锟斤拷锟紽锟斤拷锟斤拷锟斤拷锟斤拷

    

    锟斤拷锟节合斤拷锟斤拷Mn锟侥达拷锟节可斤拷锟斤拷锟紻(zhu锟斤拷n)變锟截度★拷锟絪锟斤拷锟紻(zhu锟斤拷n)變锟絩(sh锟斤拷)锟絞锟斤拷锟揭為保锟街合斤拷D锟斤拷锟斤拷锟杰和擠锟斤拷效锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟叫溫撅拷锟斤拷锟斤拷藝锟斤拷锟斤拷锟斤拷锟津化溫讹拷555-565锟芥；锟斤拷锟截時(sh锟斤拷)锟絞6h锟斤拷锟斤拷s锟劫讹拷≥200锟斤拷/h锟斤拷

    

    4.锟紻锟斤拷锟斤拷藝

    

    4.1 锟絋锟絍锟接熱方式

    

    锟絋锟絍锟接燂拷锟斤拷霉锟斤拷l锟叫戯拷(y锟斤拷ng)锟接燂拷锟斤拷锟紷锟絅锟接熱方式锟斤拷锟斤拷锟絚(di锟斤拷n)锟角加燂拷r(sh锟斤拷)锟絞锟教ｏ拷锟斤拷3min锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟絖(d锟斤拷)锟斤拷500锟斤拷锟斤拷锟斤拷锟斤拷锟截度匡拷锟狡滐拷(zh锟斤拷n)锟絖锟斤拷锟絗锟筋不锟斤拷锟絕±3锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟絫锟斤拷锟斤拷锟接燂拷锟斤拷锟斤拷锟斤拷(hu锟斤拷)锟斤拷(d锟斤拷o)锟斤拷Mg2Si锟斤拷锟斤拷锟斤拷锟斤拷影響忥拷(qi锟斤拷ng)锟斤拷效锟斤拷锟斤拷

    

    4.2 锟紻锟斤拷

    

    锟紺锟较匡拷锟絔6082锟絏锟较斤拷锟斤拷锟揭拷锟斤拷c(di锟斤拷n)锟斤拷锟結(ji锟斤拷)锟较岋拷(sh锟斤拷)锟絗锟斤拷锟絘(ch锟斤拷n)锟斤拷訂锟紻锟斤拷锟斤拷藝锟斤拷锟铰ｏ拷

    

    锟斤拷1锟斤拷6082锟较斤拷變锟轿匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟絋锟絍锟接燂拷囟葢锟�(y锟斤拷ng)偏锟斤拷锟睫ｏ拷480-500锟芥）锟斤拷

    

    锟斤拷2锟斤拷模锟竭溫讹拷取460锟斤拷锟斤拷锟�锟斤拷锟紻锟斤拷筒锟截度烇拷440-500锟斤拷锟斤拷

    

    锟斤拷3锟斤拷锟紻锟斤拷锟劫度匡拷锟斤拷锟斤拷7-11m/min锟侥凤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷

    

    锟斤拷4锟斤拷要使锟较斤拷锟斤拷要锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷Mg2Si锟斤拷全锟斤拷锟杰ｏ拷須憋拷锟紺锟斤拷锟截讹拷锟斤拷500锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷筒臄D锟斤拷锟斤拷锟节溫度戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷500-530锟芥范锟斤拷锟斤拷(n锟斤拷i)锟斤拷

    

    锟斤拷5锟斤拷6082锟较斤拷锟斤拷锟斤拷锟斤拷锟皆高ｏ拷要锟斤拷锟斤拷锟斤拷s锟斤拷(qi锟斤拷ng)锟饺达拷锟斤拷锟斤拷s锟劫度快，锟斤拷品锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟节撅拷锟斤拷锟�锟斤拷锟斤拷(du锟斤拷)锟节壁猴拷2.5mm锟斤拷锟铰碉拷锟酵材可匡拷锟絔锟矫忥拷(qi锟斤拷ng)锟絃(f锟斤拷ng)锟斤拷s锟斤拷锟�锟斤拷锟节猴拷2.5mm锟斤拷锟较碉拷锟酵材憋拷锟斤拷锟剿拷F锟斤拷锟教庯拷锟�锟斤拷锟绞癸拷囟锟窖革拷俳锟斤拷锟�50锟斤拷锟斤拷锟斤拷锟斤拷

    

    锟斤拷6锟斤拷6082锟絏锟较斤拷锟酵诧拷锟斤拷锟斤拷C直锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟绞匡拷锟斤拷锟斤拷1.0%-2.0%锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷

 

    锟紻锟斤拷锟斤拷藝锟斤拷锟斤拷(sh锟斤拷)見锟斤拷3

 

    

    5.锟絩(sh锟斤拷)效锟狡讹拷

    

    锟絩(sh锟斤拷)效锟斤拷锟酵诧拷锟絖(d锟斤拷)锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟杰碉拷锟絕锟斤拷一锟斤拷(g锟斤拷)锟絟(hu锟斤拷n)锟斤拷(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟侥時(sh锟斤拷)效锟狡度硷拷要锟斤拷锟紺锟絘(ch锟斤拷n)品锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟絔锟斤拷锟絘(ch锟斤拷n)效锟绞硷拷锟斤拷锟絘(ch锟斤拷n)锟缴憋拷锟斤拷锟結(ji锟斤拷)锟斤拷試锟�(y锟斤拷n)锟叫撅拷锟斤拷6082锟酵诧拷锟絕锟窖時(sh锟斤拷)效锟狡度讹拷锟介：锟絩(sh锟斤拷)效锟截讹拷170-180锟斤拷锟斤拷锟斤拷锟截時(sh锟斤拷)锟絞8h锟斤拷锟絩(sh锟斤拷)效前锟酵材碉拷停锟脚時(sh锟斤拷)锟絞锟斤拷锟斤拷锟絕8h锟斤拷

    

    6.锟結(ji锟斤拷)論

    

    锟斤拷锟斤拷(j锟斤拷)6082锟絏锟较斤拷锟酵材碉拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷藝锟角憋拷锟絕锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷锟絋锟斤拷藝锟斤拷锟斤拷6082锟絏锟较斤拷煞挚锟斤拷锟斤拷锟斤拷c(di锟斤拷n)锟斤拷锟斤拷Mn锟斤拷Cr锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Mn锟斤拷锟斤拷锟斤拷(y锟斤拷u)锟斤拷锟斤拷锟狡凤拷锟斤拷锟斤拷0.6%~0.65%锟斤拷Cr锟侥猴拷锟斤拷锟剿匡拷锟斤拷锟斤拷0.15% 锟斤拷锟斤拷锟斤拷锟斤拷Mn + Cr锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0.70%-0.80% 锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷Mg2Si锟斤拷锟斤拷锟剿匡拷锟斤拷锟斤拷1.5%-1.6%锟斤拷锟絕剩Si锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0.3%锟斤拷锟斤拷锟斤拷

    

    锟节擠锟斤拷锟斤拷藝锟叫ｏ拷锟紻锟斤拷锟斤拷锟节溫度和达拷锟叫э拷锟斤拷锟斤拷苿t锟角憋拷锟紺锟絘(ch锟斤拷n)品锟斤拷锟杰碉拷锟絇(gu锟斤拷n)锟絀锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟紺锟斤拷锟截讹拷锟斤拷500锟斤拷锟斤拷锟较ｏ拷锟酵材擠锟斤拷锟斤拷锟节溫度戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷500-530锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�(qi锟斤拷ng)锟饺达拷锟斤拷锟劫度匡拷锟斤拷