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Low-temperature sintering method for NiCuZn ferrite and effect of Mn addition on electromagnetic properties JU Dong-ying(巨东英)1, 2, BIAN Pei(边 培)2 1. Research Center of High Technology, Anshan... body with 0.5% (mass fraction) boric acid was obtained, which has the bending strength of 340 MPa. The effect of various Mn addition on electromagnetic properties were studied. Key words: ferrite......
, KONG Xiang-yan, QIAN Yuan. Effects of Mn-addition on twinning deformation in TiAl intermetallics[J]. Journal of Central South University, 1992, 23(3): 296-302. [17] 陈 律, 彭 平, 李贵发, 胡艳军, 周惦武, 张为民...文章编号:1004-0609(2016)-11-2309-10 Zr和(或)Mn替位掺杂γ-TiAl基合金的延性与电子性质 宋庆功1, 2,杨宝宝1,赵俊普1,秦国顺2,郭艳蕊1,胡雪兰2 (1. 中国民航大学 理学院 低维材料与技术研究所,天津 300300； 2. 中国民航大学 中欧航空工程师学院,天津 300300) 摘 要:采用密度泛函理论计算研究Zr和(或)Mn替位掺杂γ......
-Mg合金；断裂韧性；Mn元素；晶粒组织；第二相 中图分类号:TG146 文献标志码:A 文章编号:1672-7207(2019)12-2948-10 Effect of minor Mn addition on microstructure and fracture toughness of Al-Zn-Mg... Metal Oriented Advanced Structural Materials and Manufacturing Cooperative Innovation Center, Central South University, Changsha 410083, China) Abstract: The effect of minor Mn addition on fracture......
Mn和Si对Fe-0.6C钢中珠光体-奥氏体相变的影响李昭东1,宫本吾郎2,杨志刚1,张玉朵2,张弛2,古原忠-1(1.北京市清华大学材料科学与工程系先进材料教育部重点实验室2.东北大学 金属材料研究所)摘 要:通过盐浴热处理实验,研究了Fe-0.6C二元合金和Fe-0.6C-1M/2M三元合金(质量分数,%,M为Mn和Si)在1073 K下的组织演化和相变动力学.结果表明,Fe-0.6C合金在1073 K保温约5.5 s完成珠光体→奥氏体转变,珠光体中渗碳体先于铁素体转变成奥氏体;添加1%Si减缓了奥氏体化速率,但未改变渗碳体先消失的特征;添加1%-2%Mn略微缩短了奥氏体转变完成时间,但珠光体中渗碳体和铁素体几乎同时完成奥氏体转变.在C扩散控制长大的假设下,奥氏体在单个珠光体片层间的一维长大模拟结果表......
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of Nonferrous Metals, 2004, 14(3): 366-371. Effect of minor Mn addition on non-dendritic microstructure evolution of Mg-6Zn-3Al magnesium alloy ZHANG Yu1, HUANG Xiao-feng1, 2, GUO Feng1, YANG Jian-chang1... for the generation of necking in the process of separation and spheroidization of primary particles. Key words: Mg-6Zn-3Al alloy; Mn addition; isothermal heat treatment; microstructural evolution; necking Foundation......
Microstructure of spray formed Al-Zn-Mg-Cu alloy with Mn addition CAI Yuan-hua1, LIANG Rui-guang2, SU Zhan-pei2, ZHANG Ji-shan1 1. State Key Laboratory for Advanced Metals and Materials... July 2010 Abstract: With the aim to improve the strength of Al-Zn-Mg-Cu alloy, the alloy billet containing Mn was produced by spray forming method, and the microstructural features were investigated......
到1201 MPa,同时伸长率为22%.所有含Mn合金的显微硬度都较高,最高为386HV,是两元Ti-Mo合金的(251HV)1.65倍.含ω相的Ti-8Mo-1Mn合金的弹性模量最高,达150 GPa.其它含Mn合金的弹性模量在76~87 GPa之间,与人骨骼的接近,有潜力成为生物医用材料. 关键词: Ti-Mo合金；锰；显微组织；力学性能；生物材料 文章编号:1004-0609... fabricated by nonconsumable electrode vacuum arc furnace, the effect of Mn addition on the structure and mechanical properties of the alloy was investigated. The results indicate that α″ phase......
h后过滤,在60 ℃下烘干滤渣. 1.1.4 氢氧化钠沉淀锰 在除铁废水中加入氢氧化钠溶液调节pH至一定值,反应30 min后过滤得到锰渣. 根据实验步骤,其工艺流程图如图1所示. 图1 酸性矿山废水中锌铁锰分离及回收工艺流程 Fig.1 Process of separation and recovery of Zn, Fe and Mn... min,废水pH对铁锰去除率的影响如图5所示. 图5 废水pH对铁和锰去除率的影响 Fig.5 Effect of pH on removal rates of TFe and Mn 由图5可知:铁和锰去除率均随pH的升高而增加；当废水pH从5.0增加到8.0时,铁去除率从17.95%增加到98.97%,锰去除率从0.27%增加到60.55%；当反应pH为7.0时......
尺寸的影响 Fig. 2 Effect of Mn addition on grain size of Mg-3%Al alloy 2.2 SEM观测 通过SEM观测可知,加入不同锰添加剂的Mg-3%Al合金中均存在合金相,随着Mn加入量的增加,合金相数量不断增多.图3所示为添加Mg-10Mn的Mg-3%Al合金中Al-Mn的SEM像.由图3可看出,当Mn加入量为0.3%时...(质量分数)合金中生成的Al-Mn相,并通过边边匹配模型对Al-Mn相和α-Mg间的晶体学错配度进行计算.结果表明:不同锰添加剂对Mg-3%Al合金晶粒和Al-Mn相类型有显著影响.Mg-10Mn和Al-20Mn中间合金在Mn加入量为0.3%时,对Mg-3%Al合金晶粒有一定的细化作用,而MnCl2导致晶粒显著粗化.Mn加入量为0.3%时,添加Mg-10Mn和Al-20Mn中间合金形成的Al-Mn......
