冶金和材料档案包含在以下科学信息研究所产品中：SCISEARCH（科学引文索引 - 扩展）、研究警报、材料科学引文索引和当前目录/工程、计算和技术。发表在冶金和材料档案中的文章也被剑桥科学文摘索引或摘录。

The journal "Archives of Metallurgy and Materials" is included in various products of scientific information research institutes, such as SCISEARCH (Science Citation Index - Expanded), Research Alerts, Materials Science Citation Index, and Current Contents/Engineering, Computing, and Technology. Articles published in this journal are also indexed or abstracted by Cambridge Scientific Abstracts.

《Archives of Metallurgy and Materials》期刊收录于多个科学信息研究所的产品中，包括SCISEARCH（科学引文索引 - 扩展）、研究警报、材料科学引文索引以及当前目录/工程、计算和技术。该期刊发表的文章也被剑桥科学文摘索引或摘录。

Archives of Metallurgy and Materials

Laser WeLding of Ta15 TiTanium aLLoy and inconeL 718 dissimiLar meTaLs this paper studied the effect of laser welding technology on dissimilar metal welding joints of tA15 titanium alloy and inconel 718 nickel-based alloy.the research results indicate that the laser welding of tA15 titanium alloy and inconel 718 nickel-based alloy directly was difficult to form well, which due to the intermetallic compounds caused the joint brittle.When the pure Cu foil was used as the filling layer, the quality of the welding joints can be improved effectively.the experimental results also indicate that there were brittle intermetallic-compounds in the laser welding seam, and the laser power had an important influence on the performance and mechanical properties of the dissimilar metal joint.the maximum average tensile strength of the welding joint of 2300 W was increased to 252.32 MPa.Scanning electron microscope(SeM) results show that the fracture morphology was river pattern, a typical morphological of cleavage fracture, and the mode was brittle fracture.

Qi An

Dongting Wu

Peng Liu

Yong Zou

Laser Welding of TA15 Titanium Alloy and Inconel 718 Dissimilar Metals

Abstract We investigated the microstructural and magnetic property changes of DyCo, Cu + DyCo, and Al + DyCo diffusion-treated NdFeB sintered magnets. The coercivity of all diffusion treated magnet was increased at 880ºC of 1 st post annealing(PA), by 6.1 kOe in Cu and 7.0 kOe in Al mixed DyCo coated magnets, whereas this increment was found to be relatively low (3.9 kOe) in the magnet coated with DyCo only. The diffusivity and diffusion depth of Dy were increased in those magnets which were treated with Cu or Al mixed DyCo, mainly due to comparatively easy diffusion path provided by Cu and Al because of their solubility with Ndrich grain boundary phase. The formation of Cu/Al-rich grain boundary phase might have enhanced the diffusivity of Dy-atoms. Moreover, relatively a large number of Dy atoms reached into the magnet and mostly segregated at the interface of Nd 2 Fe 14 B and grain boundary phases covering Nd 2 Fe 14 B grains so that the core-shell type structures were developed. The formation of highly anisotropic (Nd, Dy) 2 Fe 14 B phase layer, which acted as the shell in the core-shell type structure so as to prevent the reverse domain movement, was the cause of enhancing the coercivity of diffusion treated NdFeB magnets. Segregation of cobalt in Nd-rich TJP followed by the formation of Co-rich phase was beneficial for the coercivity enhancement, resulting in the stabilization of the metastable c-Nd 2 O 3 phase.

M.-W. Lee

K.-H. Bae

S.-R. Lee

H.-J. Kim

T.-S. Jang

Microstructure and Magnetic Properties of NdFeB Sintered Magnets Diffusion-Treated with Cu/Al Mixed Dyco Alloy-Powder

NdFeB烧结磁体经Cu/Al混合Dyco合金粉末扩散处理后的微观结构和磁性能

In this study, blast furnace dust and iron concentrate were used as raw materials and graphite as reducing agent for mixed compacts. The briquettes were roasted in a high temperature tube furnace at 1200°C and kept for a certain time to simulate the pre-reduction sintering dezincification process. The reduced briquettes were characterized by X-ray diffraction, scanning electron microscopy, Energy Dispersive Spectroscopy and flame atomic absorption spectrometry. The effects of C/O molar ratio, basicity and pre-reduction time on the zinc removal rate and pre-reduction degree of the pre-reduction sintered products were studied, and the removal mechanism of zinc was further investigated. The results show that the pre-reduction sintering process can effectively achieve the zinc volatility removal while meeting the requirements of subsequent blast furnace production. The zinc removal rate of pre-reduced sintered products increased with the prolongation of pre-reduction time, increased first and then decreased with the increase of C/O molar ratio and basicity. The pre-reduction degree and Zn removal rate showed the same variation pattern. When the briquettes with C/O molar ratio of 1.0 and basicity of 1.9 were reduced for 20 min, the zinc removal rate and pre-reduction degree could reach 90.40% and 87.74%, respectively, indicating that a large amount of zinc was removed and most of the metallic iron had been reduced. The research results can provide some theoretical basis for industrial production.

J. Ju

R. Li

X. Xing

X. Jiang

G. Zhao

F. Lu

Study on zinc removal behavior in simulated pre-reduction sintering process

模拟预还原烧结过程中锌去除行为的研究

Circulating fluidized bed combustion (CFBC) fly ash has the potential as a precursor to making geopolymer concrete because of its rich silica and alumina content. However, there is a problem in utilizing CFBC fly ash caused by its chemical and physical properties that differ from the widely used pulverized coal combustion (PCC) fly ash. CFBC fly ash has a higher water requirement than PCC fly ash due to its angular particle shape, and higher sulfur and lime contained also caused a different reaction in the geopolymer system. Mechanical activation by milling the CFBC fly ash could decrease the water requirement in the mixture and make good quality CFBC fly sh-based geopolymer concrete. Three CFBC fly ash samples from different power plants in Indonesia with different chemical compositions were used in this research. The first had a low lime and no sulfur content, the second had high lime and no sulfur content, and the third had high lime and sulfur content. The milling process using a ball mill for two hours decreased the water requirement, as shown in the lower normal consistency of the fly ash. The reactivity also was increased, shown by the faster initial setting time. Besides its higher reactivity, lower water requirement increased the compressive strength of geopolymer mortar produced. This study also showed that the existence of calcium and sulfur content in the CFBC fly ash could cause unexpected results shown by the change of initial setting time, water requirement, and compressive strength.

A. Antoni

I.J. Yugiarto

R.J.S. Hadi

A. Kuncoro

D. Hardjito

Influence of CFBC Fly Ash Chemical Composition and Mechanical Activation on the Properties of Geopolymer

CFBC飞灰化学成分及机械活化对地质聚合物性能的影响

This work investigated two titanium-based alloys with a constant tantalum content and variable contents of alloy additives – niobium and zirconium. The Ti-30Ta-10Zr-20Nb (wt.%) and Ti-30Ta-20Zr-10Nb (wt.%) alloys were obtained using a combination of powder metallurgy and arc melting methods. The influence of alloying additives on the structure and properties of the Ti-Ta-Nb-Zr system was studied using, among others: X-ray diffraction and scanning electron microscopy. The X-ray diffraction confirmed the single-β-phase structure of both alloys. In addition, the microscopic analysis revealed that a higher amount of zirconium favoured the formation of larger grains. However, the microhardness analysis indicated that the alloy with the higher niobium content had the higher microhardness. Importantly, the in vitro corrosion study revealed that the addition of niobium promoted the better corrosion resistance of the investigated alloy.

G. Dercz

I. Matuła

K. Prusik

J. Zając

M. Szklarska

A. Kazek-Kęsik

W. Simka

Effect of Nb and Zr Alloying Additives on Structure and Properties of Ti-Ta-Nb-Zr Alloys for Medical Applications

铌和锆合金添加剂对医用Ti-Ta-Nb-Zr合金结构和性能的影响

To reveal the distribution characteristics of the non-uniform temperature field of structural steel under fire conditions, Q355B steel for grain storage was taken as the research object. A multi-channel temperature detection instrument was used to monitor the temperature distribution of Q355B test plate in real time under gas fire, and the distribution characteristics of the non-uniform temperature field of the steel were studied under different heat inputs. The results showed that the temperature changes within 600 mm from the flame point were significant, while the temperature changes beyond 600 mm were not sensitive. The peak temperature Tmax and the heating rate vr at the fire source points of each test plate increased linearly with the increase of heat input Q at the fire source. With the increase of distance d, the variation trend of the time tmax for each test plate to reach the peak temperature in the rolling direction, was the same. As d increased, tmax gradually increased and tended to stabilize. The average cooling rates vd1 and vd2 of each test plate decreased with the increase of d. The temperature distribution patterns of each test plate were the same. The Tmax-d curve of each test plate followed the Boltzmann function distribution, the Q-∆T followed a linear relationship, and the Q-d0 followed an exponential function relationship. By combining the three, a non-uniform distribution model of Tmax-Q temperature field under gas fire was obtained.

Min Yu

Zhen Cheng

Rui-Bin Gou

Nian Wang

Research on the Non-Uniform Temperature Field Distribution of Q355B Steel for Grain Storage under Fire Conditions

火灾条件下Q355B钢粮仓非均匀温度场分布研究

The study was focused on the characterization of microstructural evolution and microhardness in the plasma-sprayed and laser remelted Ni-Cr coatings with 20% addition of rhenium on stainless steel. The remelting process was performed with different laser power and laser traverse speed. The laser remelting process improves the quality of plasma sprayed Ni-Cr-Re coatings, reducing the porosity and the inhomogeneity of the chemical composition. The remelted coatings were characterized by a dendritic microstructure. Microsegregation of rhenium to dendrites was observed. The remelted coatings have an iron content of over 40%, which is the result of too deep remelting with the substrate material. The iron content in the remelted coatings increases with the decrease in laser speed, but the rhenium content decreases. All tested coatings were characterized by hardness similar to that of the substrate material.

I. Kalemba-Rec

M. Kopyściański

P. Śliwiński

S. Dymek

M.S. Węglowski

A. Wrona

K. Groń

Impact of Laser Remelting Parameters on the Microstructure and Properties of Sprayed Ni20Cr Coatings with Rhenium Addition

激光重熔参数对添加铼的喷涂Ni20Cr涂层微观结构和性能的影响

Various materials are used in medicine and the main requirement is their biocompatibility, including corrosion resistance. In addition to destroying materials, the products released during corrosion can cause adverse reactions in the human body. Corrosion testing of any material proposed for biomaterials should therefore be conducted in a model or controlled environment similar to that of the human body. In this work, the results obtained in the study of high nitrogen stainless steel (HNS) as a material for the fabrication of implants are presented and compared with the results for classical Cr-Ni stainless steel, in analogous environments and conditions. The tests were carried out in Ringer’s and Hartmann’s solutions, at specified concentrations, temperatures and pH values. A three-electrode glass cell was used under open air conditions. The following electrochemical methods were used: open circuit potential (OCP) – time measurement, cyclic potentiodynamic and potentiostatic polarizations. By means of light and scanning electron microscopy, surface changes were determined after exposing the steel specimens to the experimental media. The surface of the samples was also examined by EDX analysis to determine the nature of the corrosion products formed. From the results obtained, it was found that HNS-steel has higher resistance than Cr-Ni-steel in the model solutions studied.

D. Fachikova

G. Ilieva

Comparison of Corrosion Behavior of Two Stainless Steels for Medical Applications

医用两种不锈钢腐蚀行为比较

The present paper focuses on the technological approach to manufacturing composite in the form of Inconel 625 reinforced with tungsten carbide particles. Twenty-four samples with reinforcement amounts ranging from 30 to 90% (wt.%) and different numbers of deposited layers were manufactured with the use of Laser Engineered Net Shaping (LENS®). The metallurgical quality, microstructure, chemical and phase composition as well as hardness of the produced composites were determined. Digital microscopy, X-ray powder diffraction and SEM-EDS were employed for this purpose. Despite numerous cracks, the fabricated samples exhibited a greater hardness than single-layer coatings of analogous composition also produced by additive techniques. This phenomenon is likely a result of repeated crystallization of the composites in remelted areas. A dual mechanism of material strengthening is observed in the additively manufactured composites, both by the presence of reinforcing particles and precipitates of secondary phases.

M. Rzeszotarska

I. Kunce

D. Zasada

M. Polański

Feasibility Study of Metal Matrix Composite (In625-WC) Manufacturing by Laser Engineered Net Shaping (LENS®)

激光工程净成形技术制造In625-WC金属基复合材料的可行性研究

Abbreviation	Arch. Metall. Mater.
Journal Impact	0.65
Quartiles(Global)	METALLURGY & METALLURGICAL ENGINEERING(Q4)

ISSN	1733-3490, 2300-1909
h-index	35

Publication Information	Publisher: Polish Academy of Sciences, Institute of Metallurgy and Materials Science，Publishing cycle: Quarterly，Journal Type: journal，Open Access Journals: No
Basic data	Year of publication: 2004，Proportion of original research papers: 99.01%，Self Citation Rate:0.00%， Gold OA Rate: 98.42%
Average review cycle	网友分享经验：较慢,6-12周
Average recruitment ratio	网友分享经验：容易

Archives of Metallurgy and Materials

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Laser Welding of TA15 Titanium Alloy and Inconel 718 Dissimilar Metals

Microstructure and Magnetic Properties of NdFeB Sintered Magnets Diffusion-Treated with Cu/Al Mixed Dyco Alloy-Powder

Study on zinc removal behavior in simulated pre-reduction sintering process

Influence of CFBC Fly Ash Chemical Composition and Mechanical Activation on the Properties of Geopolymer

Effect of Nb and Zr Alloying Additives on Structure and Properties of Ti-Ta-Nb-Zr Alloys for Medical Applications

Research on the Non-Uniform Temperature Field Distribution of Q355B Steel for Grain Storage under Fire Conditions

Impact of Laser Remelting Parameters on the Microstructure and Properties of Sprayed Ni20Cr Coatings with Rhenium Addition

Comparison of Corrosion Behavior of Two Stainless Steels for Medical Applications

Feasibility Study of Metal Matrix Composite (In625-WC) Manufacturing by Laser Engineered Net Shaping (LENS®)

Study on zinc removal behavior in simulated pre-reduction sintering process