镀液中Al浓度对合金化热镀锌钢板的镀层结构,耐剥离性的影响

镀液中Ａｌ浓度对合金化热镀锌钢板的镀层结构、耐剥离性的影响［日］浦井正章１绪言近来，因为合金化热镀锌钢析有优良的耐蚀性、涂装性及焊接性，而大量被使用于汽车车身上，以提高车身的耐久性。然而，这种合金化镀层一旦受到严格的冲压加工，就发生剥离。剥离后的镀层...     

合金化热镀锌钢板的研制及应用

本文研究了不同工艺条件下所获得的合金化热镀锌钢板的镀层结构及其耐蚀性、涂着性和机械加工性的关系,并总结提出了判断镀层合金化度的方法。在工业性试生产中获得了综合性能良好的合金化热镀锌钢板,与普通镀锌钢板和A3钢板的对比试验表明,合金化热镀锌钢板具有优越的耐蚀性和涂着性,预计在建筑、车辆制造等方面的应用具有广阔的前景。     

镀锌钢板成形时镀层的行为

[日本“塑性加工” 1985年(第29卷)总291期]介绍了各种镀锌钢板在成形时镀层的损伤及镀层对冲压成形的影响。由于需要满足用户对耐蚀性能愈来愈高的要求,许多国家采用电镀锌钢板、热镀锌钢板、合金化镀锌钢板制造汽车部件。近几     

影响IF钢合金化热镀锌钢板成型性和抗粉化性因素的研究

研究了再结晶退火温度、退火时间、合金化板温、锌液铝含量等工艺参数对IF钢合金化热镀锌钢板成型性和合金化镀层抗粉化性的影响。经试验室研究,运用统计技术,找到了上述工艺参数的优化值,并在武钢热镀锌机组上得以证实。生产出的IF钢合金化热镀锌钢板满足汽车较复杂件在成型性、抗粉化性、焊接性、耐蚀性和涂漆性方面的要求。     

合金化镀锌板Γ相层对粉化性的影响

与纯镀锌板相比,合金化镀锌板由于锌铁合金镀层的延展性较差,在冲制加工过程中,镀层与基板之间变形不协调,易导致粉化现象,从而降低钢板成形性。对武钢合金化镀锌板的镀层相结构进行测试分析,研究合金化工艺与Γ相层厚度对钢板抗粉化性的影响。     

合金化热镀锌钢板镀层性能的工艺因素分析

热镀锌钢板锌层合金化过程中，热镀锌过程形成的合金层和合金经工艺影响Ｆｅ－Ｚｎ金属阐化合物生长行为，同此而改变镀层抗粉化性能。简述了钢板化学成分、热镀和锌层合金化条件对锌层合金化工艺的影响因素。     

汽车用合金化热镀锌板镀层缺陷及其防止措施

合金化热镀锌钢板已广泛地用于汽车行业,如何消除汽车用合金化热镀锌钢板镀层粉化等缺陷是钢铁生产厂家和用户极为关注的热点问题。本文主要介绍汽车用合金化热镀锌钢板镀层粉化、亮点、波纹和条纹等缺陷的产生原因及其消除措施,同时还侧重介绍汽车用合金化热镀锌钢板今后需要研究的抗粉化课题。     

日本汽车用表面处理钢板的开发

为提高高强度合金化热镀锌钢板的成形性,必须对GA进行无机或者有机润滑处理。为此,开发出高润滑性合金化热镀锌钢板。无机高润滑性GA就是在GA钢板表面上形成极薄的一层Mn—P系氧化物或者Ni系无机薄膜,提高其润滑性。Mn—P系氧化物薄膜的厚度为几十个nm,该薄膜之下为磷酸盐处理层,紧挨着镀层的为Mn氧化物;Ni无机薄膜的厚度大约是50nm,主要成分为高熔点Ni—Fe—O。     

高耐蚀性合金化镀锌钢板的研究

一、前言合金化镀锌钢板(以下简称合金化板)是一种新型镀层产品,是将热镀锌板经加热扩散处理得到的,镀层表面呈灰白色。该板耐蚀性好,焊接性和涂着性也大大优于普通镀锌钢板,因而国外除车辆制造业外,还广泛的应用于建筑、机电和家俱制造等部门。     

基板划痕对热镀锌及合金化镀层组织结构的影响

研究了IF钢表面划痕深度对热镀锌镀层及合金化镀层表面缺陷的影响、划痕部位镀层的生长过程、组织结构及合金化行为.试验及分析结果表明,热镀锌时锌液能够有效填充划痕凹陷,从而降低基板表面的划痕缺陷,但划痕缺陷可以遗传到合金化镀层表面;在镀层合金化过程中,与正常部位相比缺陷部位的合金化速度快;随着镀层合金化的进行,缺陷部位的Z...     

Journal of Rare Earths Contents List of Vol.32(2014)

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Introducing Two Central Enterprises to Integrate Rare Earth Industry,Shandong Rare Earth Group Breaks Surface

正With the signing of"Letter of intention for Propelling Integration of Shandong Rare Earth Enterprises"between Shandong Province Commission Of Economy and Informatization,China IronSteel Research Institute Group("China Steel Institute"),and China Rare MetalsRare Earth Co.,Ltd("China Rare Earth"),the"Shandong Rare Earth Group"jointly set up by the 3 units thus broke surface.On August 9,reporters of the China Economic Herald learned from Shandong Province     

Aluminium Production by Province or City in 2014

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Refined Copper Production by Province or City in 2014

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Aluminium Production by Province or City in 2014

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China is Planning to Raise rare Earth Resource Tax Again

正In the face of the current situation of the lost WTO dispute on rare earth,and cancellation of export tariff for partial rare earth products,efforts of regulation and integration on rare earth by the state government will again be tightened.Reporters of the Economic Information Daily recently learned from authoritative sources that relevant ministries are     

Fabricated Copper Production by Province or City in 2014

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Refined Copper Production by Province or City in 2014

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Chinalco Signed Framework Agreement for Strategic Cooperation with Harbin Municipal Government

正Last month,Chinalco signed framework agreement for strategic cooperation with Harbin Municipal Government in Harbin Xiong Weiping,Chairman of Chinalco,said that based on the strategic deployment to build world top-class mining company with the highest growth potential,Chinalco was now concentrating all efforts on making strategic transition and structural adjustment,strategic cooperation with the local governments where     

Contributions to Baosteel Technical Research wanted

正Baosteel Technical Research,a quarterly journal,which is issued domestically and abroad,is run and sponsored by Baosteel Group Corporation.Baosteel Technical Research mainly reports the achievements in technological innovation,academic research,new product development and industrial equipment improvement by Baosteel.It will continue to follow up on hot topics and serve the company’s technological development and progress.Its readers include experts in