scholarly journals The densification behavior of metals and alloys during spark plasma sintering: A mini-review

2019 ◽  
Vol 51 (2) ◽  
pp. 135-152 ◽  
Author(s):  
Saeed Sovizi ◽  
Melica Seraji
Keyword(s):  
Spark Plasma Sintering ◽  
Great Influence ◽  
Production Method ◽  
Metals And Alloys ◽  
Densification Behavior ◽  
New Production ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Metallic Parts ◽  
Sintering Method

As of today, metals and alloys are widely utilized as structural, mechanical, electrical, and magnetic materials in every aspect of technology and industry. The complexity and diversity of metals applications emphasize the need for a new production method to quickly and easily manufacture metallic components. Spark plasma sintering as a new solid-state sintering method has been recently developed to respond to these needs. Up to now, numerous papers and researches have been published in the field of spark plasma sintering and its ability to manufacture metallic samples. Density is a significant property that has a great influence on the physical, mechanical, and functional properties of metallic parts. To the best of our knowledge, there is no concrete paper that reviews the densification behavior of metals and alloys during spark plasma sintering and the effect of its parameters on the density of metallic samples. As a result, this article dedicated to addressing this need. In this mini-review, after a short description of spark plasma sintering method, the effects of each sintering parameters on densification behavior of metals and alloys are studied, and possible physical and microstructural factors which have the effect of densification behavior of metallic samples at various sintering conditions are reviewed. Finally, the recent advances in finite element modeling, which study the temperature and stress inhomogeneity in the SPS process, have been reviewed in this paper.

Preparation of MoSi2-SiB6 oxidation inhibition coating on graphite by spark plasma sintering method

2021 ◽  
Vol 405 ◽  
pp. 126511
Author(s):  
Weisheng Liu ◽  
Xuanru Ren ◽  
Hongao Chu ◽  
Menglin Zhang ◽  
Qingqing Yang ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Sintering Method

scholarly journals Fabrication of ZnO Ceramics with Defects by Spark Plasma Sintering Method and Investigations of Their Photoelectrochemical Properties

Nanomaterials ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 2506
Author(s):  
Liren Zheng ◽  
Mu Liu ◽  
Haipeng Zhang ◽  
Zhaoke Zheng ◽  
Zeyan Wang ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Oxygen Vacancies ◽  
Photoelectrochemical Properties ◽  
Interstitial Zinc ◽  
Photoelectric Properties ◽  
Oxygen Defects ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Sintering Method ◽  
Zno Ceramics

ZnO, as an important semiconductor material, has attracted much attention due to its excellent physical properties, which can be widely used in many fields. Notably, the defects concentration and type greatly affect the intrinsic properties of ZnO. Thus, controllable adjustment of ZnO defects is particularly important for studying its photoelectric properties. In this work, we fabricated ZnO ceramics (ZnO(C)) with different defects through spark plasma sintering (SPS) process by varying sintering temperature and using reduction environment. The experimental results indicate that the changes of color and light absorption in as-prepared ZnO originate from the different kinds of defects, i.e., oxygen vacancies (VO), interstitial zinc (Zni), and Zinc vacancies (VZn). Moreover, with the increase in calcination temperature, the concentration of oxygen defects and interstitial zinc defects in the ceramics increases gradually, and the conductivity of the ceramics is also improved. However, too many defects are harmful to the photoelectrochemical properties of the ceramics, and the appropriate oxygen defects can improve the utilization of visible light.

Biodegradable Fiber Reinforced Ti Composite Fabricated by Spark Plasma Sintering Method

2007 ◽  
pp. 3201-3206
Author(s):  
Hisashi Sato ◽  
Seiichiro Umaoka ◽  
Yoshimi Watanabe ◽  
Ick Soo Kim ◽  
Masakazu Kawahara ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Fiber Reinforced ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Sintering Method

scholarly journals Microstructure Evolution of Mg96.9Gd2.7Zn0.4 Alloy Containing Multiple Phases Prepared by Spark Plasma Sintering Method

Metals ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 1355
Author(s):  
Zhiyong Xue ◽  
Xiuzhu Han ◽  
Wenbo Luo ◽  
Zhiyong Zhou ◽  
Zhizhong Cheng ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Rapid Solidification ◽  
High Performance ◽  
Aging Treatment ◽  
Lpso Phase ◽  
Β Phase ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Molten Liquid ◽  
Sintering Method

The synergic strengthening of multiple phases is an essential way to achieve high-performance Mg alloys. Herein, Mg-Gd-Zn alloy containing four phases was prepared by rapid solidification (RS) ribbons and spark plasma sintering (SPS). The microstructure of the alloy consisted of α-Mg, nanosized β1 phase particles, lamellar long period stacking ordered (LPSO) phase, and β′ phase precipitates. The microstructural evolution was also investigated. The results show that the metastable β1 phase was formed in the as-cast solidification through rapid solidification, because both Zn atoms and the short holding-time at molten liquid facilitated the formation of the β1 phase. The β1 phase grew from 35.6 to 154 nm during the sintering process. Meanwhile, the fine lamellar LPSO phase was simultaneously formed after the Zn-Gd clusters were generated from the supersaturated solid solution, and the width of the LPSO phase was only in the range of 2–30 nm. The third strengthening phase, the metastable β′ phase, was obtained by aging treatment. The results of hardness testing implied that the hardness of the alloy containing the aforementioned three nanosized strengthening phases significantly improved about 47% to 126 HV compared with that of the as-cast ingot.

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