The effect of boron of Fe–Cr–C–Si alloys, replacing Stellite 6 traditionally used in nuclear power industry, on the high temperature wear resistance was characterized. Sliding wear tests of Fe–Cr–C–Si– xB (x = 0.3, 0.6, 1.0 and 2.0 wt%) alloys were performed in air at temperatures ranging from 300 to 725 K under a contact stress …

In this paper the chemical composition of the supermartensitic stainless (SM) was modified with the addition of small boron contents (0.3, 0.5 and 0.7 wt.%) and processed by spray forming aiming the development of functionalized stainless steel with higher wear resistance.The addition of boron to the SM leads to the formation of …

Finally the wear resistance of B4C ceramics was compared with hard metals by determining the life of AWJ nozzles made from these materials.Boron carbide outperforms hard metals as AWJ nozzle ...

The addition of boron could effectively improve the hardness and wear resistance of the Fe-based coatings, which could be attributed to the boride hard …

The excellent wear resistance resulted from the presence of a significant amount (about 35 vol%) of hard borides homogeneously dispersed in the microstructure, …

Boron-infused components in electronic and smart devices offer a longer product life, provide better energy performance – longer battery life -, give off less heat, …

where ω is the wear resistance and G (μm) is the average grain size. The wear resistance of the sintered PcBN samples increases linearly with the increase in the grain size. The turning surfaces of fine-grained and coarse-grained PcBN tools are depicted in Figs. 7 (a) and 7 (c), respectively. Many pits were found on the wear surface of the ...

Product details Soft, unalloyed steel Structural steel Micro-alloyed fine-grain structural steel Boron-alloyed case-hardening and heat-treatable steel Case-hardening steel

Effects of hardness and grain size on wear resistance of polycrystalline cubic boron nitride. Author links open overlay panel Li Zhou a, Jiawei Zhang a, Shuaiqi Li a, ... WB 4-TaB 2 based materials have been obtained by applying glass encapsulated HIPing to mixtures comprised of WB 4 and free boron with and without metallic tantalum …

Here we report a copper matrix composite with high hardness strengthened by high-density dispersed nanoscale in situ boron, having great potential in structural and functional materials, such as …

The microstructure formation and wear resistance of a superduplex stainless steel modified with the addition of 3 wt% boron produced by spray forming were investigated. Thermodynamic simulations were used as comparison basis and to explain the experimentally observed microstructure, which was composed by primary M 2 B-type …

Cai et al. [16] chose nitrile rubber (NBR) and boron modified resin (PBR) as binders, and concluded that thermal resistance as well as friction coefficient of composites could be improved with their ratio of 1:3, while wear resistance decreased.

In this research work the microstructure and wear resistance of boron-modified stainless steel coatings were investigated. The coatings were produced by Plasma Transferred Arc (PTA) with powders of supermartensitic and superduplex stainless steel with 1 and 3 wt.% B addition, respectively.The deposition was carried out on AISI 4140 steel …

Abstract. High boron cast alloy has attracted much attention as new kind of wear-resistant materials due to its low cost, high strength and toughness, and high wear resistance. This paper reviews ...

The microstructure formation and wear resistance of a superduplex stainless steel modified with the addition of 3 wt% boron produced by spray forming were investigated. Thermodynamic simulations were used as comparison basis and to explain the experimentally observed microstructure, which was composed by primary M2B-type …

The composition of boron nanosheets. (a,b) XPS results of the boron nanosheets.Al, O and Cu are dissolved in boron sheets, but (b) exhibits pure B-B peaks, in which olive circles represent the ...

With the increase of the austempering temperature, the wear resistance of bainitic steel after 120 min of wear increases first and then decreases in Fig. 9. Where the wear resistance is the ratio of the wear time to the wear loss [1], [27], [28], [29]. When the austempering temperature reaches 340 °C, the wear loss decreases sharply, the wear ...

KC Jones Plating provides wear-resistant coating solutions for many industries to add life and value to crucial parts. Contact us today for a quote! 586 755 4900 ... electroless nickel boron (NiB) is not only a proprietary, wear-resistant KC Jones solution, but has a lower environmental impact too. Learn More. HOW CAN WE HELP? Get In Touch ...

A Study of Boron-Bearing Wear-Resistant Alloy Steel Liner Hanguang Fu, Dening Zou, Zhiqiang Jiang, Jun Yang, Jinhua Wang & Jiandong Xing Pages 469-474 | Received 07 …

The boron-modified steel coatings were hard (~800 HV0.5) and wear-resistant, since the specific wear rate was ~4.5 x 10⁻⁵ mm³·N⁻¹·m⁻¹, much inferior to that of the soft (~120 HV0.5 ...

RCA Wear Testing. The RCA Abrasion Wear Test is another ceramic wear test used for testing surfaces to determine resistance to abrasion and wear. This test is commonly used on painted or plated organic finishes, foil, etc. It is also widely used as a standard for many silicone keypads and membrane switches. RCA wear testing is also standard for ...

A hard alternative to chromium plating, electroless nickel boron (NiB) plating is not only a proprietary, wear-resistant KC Jones solution, but has a lower environmental impact too.At KC Jones, we pride ourselves on being a global leader in nickel boron technology and one of the only finishing companies providing electroless nickel boron to meet any surface …

This paper reviews research progress of wear resistant high boron cast alloy, including the alloy composition, fabrication, heat treamtment, improvement of …

Some researchers have investigated heat resistant boron-loaded resin with temperature of 300°C for neutron shielding to satisfy the application requirement. (4) ... and S. Yi, "Wear behaviors of a Fe-based amorphous alloy in ambient atmosphere and in distilled water," Metals and Materials International, vol. 20, no. 1, pp. 55–61, 2014.

In a variety of applications, due to the high wear resistance and hardness of boron carbide ceramics and silicon carbide ceramics, they are often chosen as wear-resistant ceramics for tribological applications like nozzles, pumps, dies, cylinders, cutting tools, etc. [10, 11]. The use of materials with good wear resistance can not only increase ...

• WC-10Ni5Cr – Excellent wear and good sea-water resistance • WC-NiCrMo (Hastelloy C binder – Excellent wear and sea-water corrosion resistance. With the HVOF process it is possible to spray carbide coatings with very fine carbides (i.e. average carbide size < 3 µm) and high carbide mass fraction of more than 80%. This provides ...

Abstract. Boron carbide compacts were produced by pressureless sintering at 2200 °C/2 h and 2250 h in Ar atmosphere, using a starting powder with a particle size …

Recently, it has been reported that the wear resistance of different stainless steel grades can be substantially improved by addition of boron as alloying Corrosion …

On the other hand, when boron is added, the increase in the carbide and martensite volume content has a positive effect on the wear resistance of the experimental irons. The above results agree with those reported by Mustafa et al. [ 12 ] where the increase of the carbide volume content in a Ni-Hard 4 cast iron with boron additions from …

In this research work the microstructure and wear resistance of boron-modified stainless steel coatings were investigated. The coatings were produced by …