高强度6063铝合金太阳能边框型材生产工艺探讨

通过金相显微分析、拉伸等分析测试方法,研究了化学成分、元素含量、冷却方式、均质处理、挤压温度等生产工艺对6063铝合金太阳能边框型材力学性能和表面质量的影响。结果表明:随着Cu、Si、Mg含量增大,6063铝合金太阳能边框型材的力学性能提高,但表面质量下降;通过选择合理的工艺,可稳定、经济地生产抗拉强度为265MPa、屈服强度为252MPa、伸长率为8.9%,同时表面质量良好的6063铝合金太阳能边框型材。     

6063铝合金化学成分的合理选择

介绍了6063铝合金化学成分对生产优质铝型材的影响，通过合理选择Mg2Si的含量，来确定Mg和Si合理的化学成分范围。     

Al-Mg-Si系铝合金型材表面暗斑成因分析

作者概述了以6063合金为代表的Al—Mg—Si系铝合金型材的生产工艺过程，从理论上分析了6063合金型材生产过程中的各个工艺参数对形成型材表面暗斑的影响趋势，提出了各工艺参数的控制范围。     

试述Fe在Al-Mg-Si系铝合金中的行为

一、序言 Al-Mg-Si系铝合金中主要是6061和6063合金,用途最广的是6063铝合金。众所周知,6063铝合金是中等强度合金,且易于加工成型,广泛用于建筑装饰行业。其生产过程包括熔炼、铸造、挤压和阳极氧化着色,合金中Fe成为附属组元是不可避免的。研究Fe在Al-Mg-Si系铝合金生产过程中的行为是很有必要的,这样有益于改善该系合金加工性能和型材产品质量。二、Fe的来源 Al-Mg-Si合金中的Mg、Si含量是该合     

6063铝合金挤压型材的快速时效工艺研究

研究了6063铝合金挤压型材在210～250℃下分别时效15～90 min时的快速时效工艺.结果表明:提高时效温度可显著加快6063铝合金挤压型材的时效进程,有利于缩短时效的时间和提高生产效率,但同时也会降低挤压型材的峰值强度.6063铝合金挤压型材较为理想的快速时效工艺为:时效温度210～220℃,时效时间45～90...     

6063铝合金生产工艺过程温度控制的探讨

6063铝合金是铝-镁-硅体系中的一种中等强度热处理强化合金,Mg和Si是6063铝合金的主要合金元素。对6063铝合金的生产进行了探索和实践,探讨了6063铝合金生产过程中温度控制的最佳工艺参数。     

散热用铝合金切削型材生产工艺探讨

6063铝合金切削型材一般用于电子产品的散热元件。本文详细探讨这种型材的化学成分及生产工艺。     

6063铝棒质量提高的措施探讨

6063合金棒属Al—Mg—Si系合金,本文通过介绍Al—Mg—Si系合金的基本特点、合金元素以及熔炼过程中工艺控制,并对其进行探讨分析,提出了6063铝合金棒质量提高的措施。     

汽车轻量化用宽幅薄壁多腔型材挤压工艺研究

通过对模具结构的优化和挤压工艺的调整,解决了6063-T6合金状态宽幅薄壁多腔和大宽厚比型材成型难度高的问题.实验发现,模具三级沉桥设计对断面复杂型材的可成型性具有促进作用;同时调整6063合金成分中Si、Mg元素配比,将铸锭温度控制在470℃～500℃,制品速度设定在4.0m/min～4.5m/min,采用空冷淬火的...     

微量Si、Mg元素对细化剂作用效果的影响

研究了6063合金中的微量Si、Mg元素对Al-Ti-C中间合金细化效果的影响，并探讨了其影响机理。试验结果表明，当6063铝合金中同时存在微量的Si、Mg元素时，Al-Ti-C的细化效果会更加显著。     

熔炼次数对M17返回料合金成分、组织和性能的影响

实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.