共搜索到435条信息，每页显示10条信息，共44页。用时：0小时0分0秒562毫秒
退火微观组织和织构的演变.结果表明:在350 ℃条件下进行80%的压缩变形过程中微观组织的演变机理是动态回复和大应变几何动态再结晶；主要织构是沿着α 取向线分布的黄铜织构{110}<112>和少量的Goss{110}<001>织构；退火过程中发生静态回复和程度较小的静态再结晶,出现旋转立方织构{100}<011>,黄铜织构Brass {110}<112... to 80% reduction at 350 ℃ is dynamic recovery and large strain geometric dynamic recrystallization. Brass {110}<112> along the α-fiber and a little Goss {110}<001> dominate mainly during......
the orientation density of the typical Brass texture {110}<112> in the extruded plates. The orientation densities of Copper texture {112}<111> and Brass texture {110}<112> on the β... recrystallization is the main reason leading to the transformation of part Brass texture {110}<112> into S texture {123}<634>. HOGG et al [12] also studied the mechanism of static recrystallization......
Trans. Nonferrous Met. Soc. China 30(2020) 1857-1872 Cross-sectional structure, microstructure and mechanical property evolutions of brass cladding pure copper stranded wire composite during drawing... d8.5 mm brass cladding pure copper stranded wire composite billet and the composite billet was then drawn. The results showed that the composite billet had good surface quality, metallurgical bonding......
, Changsha 410083, China; 2. School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The principles of elements choice of lead free cutting brass was expatiated.It was pointed out that the lead in lead-brass or bismuth in bismuth-brass is replaced by dispersive intermetallics.The development of the lead free cutting brass containing bismuth and graphite......
of chromium bronze/brass couple SHANGGUAN Bao1, 2, ZHANG Yong-zhen2, XING Jian-dong1, SUN Le-min2, QIU Ming2, NIU Yong-ping2, HOU Ming2 (1. School of Materials Science and Engineering, Xi’an Jiaotong..., the surface temperature of pins were measured under different current densities by thermocouple. The effects of velocity and current density on the frictional wear behavior of chromium bronze/brass couple......
后减小.焊缝中心区及界面层的显微硬度高于铝和黄铜母材的.接头拉伸时断于黄铜侧界面区,且断口为解理 断裂. 关键词:铝/黄铜异种金属；TIG熔钎焊；药芯焊丝；显微组织；力学性能 中图分类号: TG444 文献标志码:A Microstructure and mechanical properties of Al/brass... alloy and H62 brass dissimilar metals were welded by TIG welding-brazing lap using Zn-2%Al (mass fraction) flux-cored wire. Microstructure, interface layer structure and mechanical properties of the joint......
同状态材料在0°,45°和90°方向上的力学和物理性能.研究结果表明:在该合金冷轧板中主要有以{113}取向为主的Copper织构,Brass取向,S取向和Goss取向,且随着冷变量的增加.Copper取向逐渐向Brass取向转变:时效态的带材中织构较弱,以Brass取向为主,S取向次之,Copper取向最弱,没有发现Copper织构的{113}取向;时效态试样经过冷变形后,带材中又出现了{113}取向,并且体积分数达60%以上.当带材中主要为Copper织构时.在0°→90°方向上合金的抗拉强度和延伸率逐渐升高,导电率逐渐降低;当Copper取向和Brass取向体积分数相当时,在0°→90°方向上,合金强度,延伸率和导电率的差别较小. 关键词:Cu-Cr-Zr合金; 织构演变; 性能; [全文内容正在添加中] ......
Brass和Goss组分的取向密度, 再结晶织构明显弱化, 而且Cube+ND20组分绕法方向(ND)产生很大的漫散, 接近于{001}
立方织构(Cube)和铜型织构(Copper)向黄铜织构(Brass),高斯织构(Goss)和剪切织构(S)的转变；合金的显微组织为由位错缠结形成的带状组织和位错胞结构. 关键词:Cu-3.6%Al2O3铜合金；形变织构；显微组织 文章编号:1004-0609(2017)-03-0486-10 中图分类号:TG146.1 ...(Cube){100}<100>,高斯织构(Goss){011}<100>,黄铜织构(Brass){011}<211>,铜型织构(Copper),剪切织构(S){123}<412>或{123}<634>等[19].图7(b)(OIM像)所示为Cu-3.6%Al2O3弥散强化铜合金旋锻退火态后典型的织构分布特征,其中立方织构(Cube)取向和......
6111铝合金在冷轧过程中织构的变化陈扬,赵刚,刘春明,左良摘 要:采用取向分布函数(ODF)分析并研究了6111铝合金在冷轧过程中织构的演变及轧制工艺对冷轧织构的影响.结果表明,6111铝合金冷轧后,主要轧制织构组分均为Copper织构组分,S织构组分和Brass织构组分;冷轧过程中,在一定条件下会产生较强的旋转立方织构,而且继续轧制时,随着轧板的减薄,旋转立方织构会迅速减弱而Copper,Brass,S等正常轧制织构组分迅速增强.此外,在总轧制形变量相同的条件下,随着道次压下率的提高,轧制织构减弱.关键词:6111铝合金;取向分布函数;冷轧;道次压下率;织构;......
