One‐step preparation of the superhydrophobic Al alloy surface with enhanced corrosion and wear resistance

Author(s):  
Tian Shi ◽  
Xuewu Li ◽  
Chuanwei Zhang ◽  
Hongxing Wang ◽  
Zhenyan He ◽  
...  
2016 ◽  
Vol 22 (3) ◽  
pp. 168-176 ◽  
Author(s):  
Deyi Jiang ◽  
Zhibo Wei ◽  
Jie Chen ◽  
Xiaogang Guo ◽  
Liming Yin

RSC Advances ◽  
2015 ◽  
Vol 5 (23) ◽  
pp. 18057-18066 ◽  
Author(s):  
Ming-Kai Tang ◽  
Qiao-Xin Zhang ◽  
Zheng Guo ◽  
Jin-Gui Yu ◽  
Xue-Wu Li ◽  
...  

Through a simple laser marking approach, microstructures on a large scale AA7075 Al alloy surface have been fabricated. The corrosion resistance, hardness and wear resistance of the surface could be simultaneously improved by this method.


Materials ◽  
2020 ◽  
Vol 13 (17) ◽  
pp. 3683
Author(s):  
Rafał Jendrzejewski ◽  
Jacek Łubiński ◽  
Gerard Śliwiński

In this paper, results of the experimental study on improving wear resistance in sliding friction of Al-based alloy are presented. The technique used involves the formation of a metal matrix composite (MMC) in the alloy surface layer by laser dispersion of carbide powders such as WC, TiC and SiC. For WC and TiC MMC surface coatings fabricated under conditions typical for most of the technologically relevant solid-state lasers (wavelength range of 0.8–1.1 μm), the nearly inversely proportional dependence of the required laser energy density on the powder mass density is observed. Highly homogenous distribution of powder particle content (up to 40%) in the MMC surface coatings of a thickness between 0.8 and 1.6 mm obtained by multiple scanning is observed in the cross-section of specimens processed within a rather narrow parameter window. Tribological tests and comparison to untreated material reveal wear resistance increases by five- and ten-fold, observed in samples with laser-dispersed TiC and WC powders, respectively. Results indicate that substantial modification and reinforcement of the surface layer can be achieved in Al alloy in a one-step process without substrate preheating.


Alloy Digest ◽  
1998 ◽  
Vol 47 (4) ◽  

Abstract Deltalloy 4032 has good machinability and drilling characteristics when using single-point or multispindle screw machines and an excellent surface finish using polycrystalline or carbide tooling. The alloy demonstrates superior wear resistance and may eliminate the need for hard coat anodizing. Deltalloy 4032 is characterized by high strength and a low coefficient of thermal expansion. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion and wear resistance as well as machining and surface treatment. Filing Code: AL-347. Producer or source: ALCOA Wire, Rod & Bar Division.


Alloy Digest ◽  
1996 ◽  
Vol 45 (10) ◽  

Abstract Tribaloy alloy T-900 is a cobalt-base alloy derived from an alloy family originally developed by DuPont. Excessive amounts of molybdenum and silicon induce the formatin during solidification of a hard and corrosion-resistant intermetallic coumpound, known as Laves phase. This alloy had improved crack resistance and a lower preheat temperature compared with Tribaloy T-800 (Alloy Digest Co-99, September 1996). This datasheet provides information on composition, microstructure, and hardness. It also includes information on corrosion and wear resistance. Filing Code: CO-100. Producer or source: Stoody Deloro Stellite Inc.


Alloy Digest ◽  
1986 ◽  
Vol 35 (11) ◽  

Abstract ENPLATE NI-423 is a nickel-phosphorus alloy deposited by chemical reduction without electric current. It is deposited by a stable, relatively high-speed functional electroless nickel process that produces a low-stress coating with good ductility and excellent resistance to corrosion. Its many uses include equipment for chemicals and food, aerospace components, molds and electronic devices. This datasheet provides information on composition, physical properties, and hardness. It also includes information on corrosion and wear resistance as well as heat treating, machining, joining, and surface treatment. Filing Code: Ni-343. Producer or source: Enthone Inc..


Alloy Digest ◽  
1999 ◽  
Vol 48 (1) ◽  

Abstract Olin C197 is a second-generation high performance alloy developed by Olin Brass. It has a strength and bend formability similar to C194 (see Alloy Digest Cu-360, September 1978), but with 25% higher electrical and thermal conductivity. High conductivity allows C197 to replace brasses and bronzes in applications where high current-carrying capability is required. Also, the strength of C197 provides higher contact forces when substituted for many lower strength coppers. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion and wear resistance as well as forming and joining. Filing Code: CU-627. Producer or source: Olin Brass.


Alloy Digest ◽  
1993 ◽  
Vol 42 (3) ◽  

Abstract WAUKESHA METAL NO. 23 is a nickel-base casting alloy having high resistance to corrosion, good machinability, and freedom from any tendency to seize or gall. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance, corrosion and wear resistance as well as machining and joining. Filing Code: Ni-49. Producer or source: Waukesha Foundry Company. Originally published January 1959, revised March 1993.


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