锟絏-锟絓-锟絍锟叫忥拷(qi锟斤拷ng)锟缴猴拷锟较斤拷

 锟斤拷锟絏锟较斤拷锟矫的合斤拷元锟斤拷锟斤拷锟斤拷锟絓锟斤拷锟絍锟斤拷锟斤拷锟絏锟斤拷锟杰斤拷锟絲ui锟竭碉拷元锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟給(j锟斤拷)20锟斤拷锟斤拷锟�锟斤拷冶锟斤拷锟絎(xu锟斤拷)锟揭就發(f锟斤拷)锟紽(xi锟斤拷n)Al-Zn-Mg系锟较斤拷锟叫時(sh锟斤拷)效硬锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟皆高ｏ拷锟斤拷锟斤拷锟絃锟斤拷锟皆侊拷一直锟絔锟叫得碉拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟給(j锟斤拷)70锟斤拷锟斤拷l(f锟斤拷)锟紽(xi锟斤拷n)Al-Zn-Mg系锟较斤拷锟叫冿拷(y锟斤拷u) 锟斤拷目珊锟斤拷裕锟酵拷r(sh锟斤拷)锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟皆匡拷通锟絕Zn锟斤拷Mg锟斤拷锟斤拷锟斤拷锟狡硷拷锟斤拷Zn+Mg锟斤拷≤7%锟斤拷锟皆硷拷锟斤拷锟接凤拷(w锟斤拷n)锟斤拷锟斤拷Mn锟斤拷Cr锟斤拷Zr锟饺匡拷锟斤拷锟皆斤拷Q锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿傦拷锟斤拷視锟斤拷锟絍锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷軌锟斤拷車锟絭車锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟絓(y锟斤拷n)輸锟絙锟斤拷锟斤拷

锟较斤拷元锟截硷拷锟絪锟絴(zh锟斤拷)元锟截碉拷锟斤拷锟斤拷

Zn锟斤拷Mg锟斤拷Al-Zn-Mg系锟较斤拷锟絊锟斤拷Zn锟斤拷Mg锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟戒抗锟斤拷锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟杰硷拷锟斤拷處锟斤拷效锟斤拷一锟斤拷锟斤拷锟絊之锟斤拷锟斤拷锟斤拷锟斤拷锟较斤拷膽锟�(y锟斤拷ng)锟斤拷锟斤拷锟絞锟紸锟斤拷锟絚Zn锟斤拷Mg锟斤拷锟斤拷锟侥匡拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷M(j锟斤拷n)g锟斤拷Zn锟斤拷锟絑n锟斤拷Mg锟侥合斤拷只要Zn锟斤拷Mg锟絴(zh锟斤拷)锟斤拷锟斤拷?j锟斤拷n)?sh锟斤拷)之锟酵诧拷锟斤拷锟斤拷7%锟斤拷锟较斤拷途锟斤拷锟斤拷喈�(d锟斤拷ng)锟矫的匡拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟较斤拷暮锟斤拷锟斤拷鸭y锟紸锟斤拷锟絊Mg锟斤拷锟斤拷锟斤拷锟斤拷锟接讹拷锟铰斤拷锟斤拷

Al-Zn-Mg系锟较斤拷锟叫碉拷微锟斤拷锟较斤拷元锟斤拷锟斤拷Mn锟斤拷Cr锟斤拷Cu锟斤拷Zr锟斤拷Ti锟饺ｏ拷F(xi锟斤拷n)e锟斤拷Si锟斤拷锟斤拷要锟絪锟絴(zh锟斤拷)元锟斤拷锟斤拷

Mn锟斤拷Cr锟斤拷锟斤拷锟斤拷Mn锟斤拷Cr锟斤拷吆辖锟侥匡拷锟斤拷锟絞锟斤拷锟杰ｏ拷锟斤拷0.2%Mn——0.4%Mn锟絩(sh锟斤拷)效锟斤拷锟紷锟斤拷锟斤拷锟斤拷Cr锟斤拷效锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟組n锟斤拷Cr同锟絩(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷锟酵戯拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟紸锟斤拷锟叫э拷锟斤拷锟斤拷锟�(qi锟斤拷ng)锟斤拷Cr锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0.1%——0.2%锟斤拷锟斤拷锟斤拷

Zr锟斤拷锟紷锟斤拷锟斤拷锟斤拷锟紸l-Zn-Mg系锟较斤拷目珊锟斤拷锟�锟斤拷锟斤拷AlZn5MgCu0.35Cr0.35锟较斤拷锟叫硷拷锟斤拷0.2%Zr锟襟，猴拷锟斤拷锟窖紋锟紸锟斤拷锟斤拷锟铰斤拷锟斤拷Zr還锟斤拷吆辖锟斤拷锟劫結(ji锟斤拷)锟斤拷锟終锟剿溫讹拷锟斤拷锟斤拷AlZn4.5Mg1.8Mn0.6锟较斤拷锟斤拷锟斤拷>0.2%Zr锟斤拷锟较斤拷锟斤拷俳Y(ji锟斤拷)锟斤拷锟終锟剿溫讹拷锟斤拷锟斤拷500锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟节癸拷锟斤拷處锟斤拷锟斤拷锟皆憋拷锟斤拷锟斤拷變锟轿組 锟斤拷锟斤拷锟斤拷Mn锟斤拷Al-Zn-Mg系锟较斤拷锟斤拷锟斤拷0.1%Zr——0.2%Zr锟斤拷還锟斤拷锟斤拷锟斤拷呖锟斤拷锟�(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Zr锟斤拷效锟斤拷锟斤拷锟斤拷Cr锟斤拷锟斤拷

Ti锟斤拷锟斤拷Al-Zn-Mg系锟较斤拷锟斤拷锟斤拷Ti锟杰硷拷(x锟斤拷)锟斤拷锟絋锟斤拷M 锟斤拷锟斤拷锟斤拷锟缴革拷锟狡合斤拷目珊锟斤拷锟�锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷Zr锟侥碉拷锟斤拷锟斤拷Ti锟絚Zr同锟絩(sh锟斤拷)锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0.12%Ti锟斤拷AlZn5Mg3Cu0.3锟较斤拷锟斤拷锟斤拷>0.15%Zr锟斤拷锟斤拷锟斤拷锟絕锟矫的可猴拷锟皆猴拷锟洁當(d锟斤拷ng)锟竭碉拷锟斤拷锟絃锟斤拷锟斤拷還锟缴獲锟斤拷锟絚锟轿拷(d锟斤拷)锟斤拷锟斤拷>0.2%Zr锟絩(sh锟斤拷)锟斤拷同锟斤拷效锟斤拷锟斤拷Ti也锟斤拷锟斤拷吆辖锟斤拷锟劫結(ji锟斤拷)锟斤拷锟截讹拷锟斤拷

Cu锟斤拷锟斤拷Al-Zn-Mg系锟较斤拷锟斤拷锟斤拷锟斤拷锟斤拷Cu锟斤拷锟斤拷锟斤拷吆辖锟侥匡拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟杰和匡拷锟斤拷锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟斤拷锟角合斤拷目珊锟斤拷詤s锟斤拷锟酵★拷

Fe锟斤拷锟斤拷锟斤拷Al-Zn-Mg系锟较斤拷锟斤拷s锟絴(zh锟斤拷)锟斤拷锟斤拷锟酵合斤拷目煽锟斤拷g锟皆猴拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟戒對(du锟斤拷)Mn锟斤拷锟斤拷锟侥合斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷Fe锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟組锟斤拷锟杰碉拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷<0.3%锟斤拷

Si锟斤拷也锟角合斤拷锟斤拷械锟斤拷s锟絴(zh锟斤拷)锟斤拷锟斤拷锟酵合斤拷目锟斤拷g锟皆猴拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟接达拷辖锟斤拷鸭y锟紸锟津，戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷<0.3%锟斤拷

锟较斤拷锟�锟組 锟斤拷

Mg锟斤拷Al锟叫碉拷zui锟斤拷锟杰斤拷葹锟� 17.4%锟斤拷450锟芥）锟斤拷锟揭溫時(sh锟斤拷)锟斤拷1.0%锟斤拷Zn锟斤拷锟杰斤拷雀锟斤拷撸锟斤拷诠锟斤拷锟斤拷囟龋锟�275锟芥）锟斤拷31.6%锟斤拷锟斤拷200锟斤拷锟�12.6%锟斤拷锟揭溫時(sh锟斤拷)锟斤拷≥2%锟斤拷锟斤拷锟�锟斤拷Zn锟斤拷Mg锟絚Al锟斤拷锟轿成高濓拷锟斤拷锟皆拷锟斤拷锟斤拷w锟斤拷锟斤拷Al-Zn-Mg系锟斤拷元锟斤拷锟紻锟斤拷知锟斤拷該系锟较斤拷锟�α锟斤拷β锟斤拷η锟斤拷γ锟斤拷锟斤拷锟解，還锟斤拷一锟斤拷(g锟斤拷)锟斤拷元锟斤拷锟斤拷锟斤拷T锟斤拷Al2Mg3Zn3锟斤拷锟斤拷T锟斤拷還锟斤拷锟斤拷锟矫濓拷确锟斤拷锟斤拷锟紸lZn锟斤拷49Mg32锟斤拷示锟斤拷锟斤拷锟絀(y锟斤拷)锟斤拷Al-Zn-Mg锟较斤拷某煞侄锟轿伙拷趫D锟斤拷M锟斤拷示锟斤拷影锟斤拷锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷锟斤拷要锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟斤拷T锟斤拷η锟斤拷锟斤拷锟皆癸拷锟絀(y锟斤拷)锟较斤拷Q之锟斤拷α+T锟酵合斤拷η锟斤拷锟絋锟洁不锟紿锟斤拷Al锟斤拷锟叫極锟斤拷锟斤拷芙锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟洁當(d锟斤拷ng)锟斤拷锟斤拷芙锟斤拷變锟斤拷锟斤拷锟斤拷锟叫很忥拷(qi锟斤拷ng)锟侥時(sh锟斤拷)效硬锟斤拷锟斤拷锟斤拷锟斤拷β锟斤拷姆锟斤拷锟绞�-Al3Mg2锟斤拷T-Al2Mg3Zn3锟斤拷η-MgZn2锟斤拷γ-MgZn5锟斤拷T锟斤拷锟絑n/Mg锟饺約锟斤拷2.71锟斤拷锟斤拷锟斤拷T锟斤拷锟絑n锟斤拷Mg锟斤拷锟阶冿拷锟斤拷锟斤拷锟斤拷軐锟�锟斤拷Zn/Mg锟饺烇拷1——4锟侥合斤拷锟斤拷锟揭拷锟�(qi锟斤拷ng)锟斤拷锟斤拷锟斤拷T锟斤拷只锟斤拷Zn/Mg>4锟侥合斤拷锟斤拷锟�η锟斤拷锟斤拷F(xi锟斤拷n)锟斤拷Zn/Mg=6——7锟侥合斤拷锟斤拷锟饺拷锟�η锟斤拷M锟斤拷锟斤拷