Shanhaiguan is located in the hub of the Central Plains farming culture and the northeast nomadic culture. It has been a major commercial and trade town since ancient times. Located at the eastern end of the Ming Great Wall, it is the only place where the Great Wall meets the sea. To the north is the western section of the Liaoxi Corridor. The terrain is dangerous and it is the location of the ancient meteorite. Therefore, the historian also called it the “stone roadâ€. Guancheng North relies on Yanshan, and the south is connected to Erhai, so it is named Shanshan Customs. The test team departed from Liyang, Hubei Province, and passed through Henan, Hebei, Liaoning, Jilin and other provinces and cities, and finally arrived in Heihe City, Heilongjiang Province on December 22, 2018. In China's extreme north, the test team will conduct a comprehensive alpine test on Dongfeng Cummins's National Six engine. For the content of the test, please pay attention to the follow-up report of Kangkang. Cobalt-based alloy powders are commonly used in plasma transfer arc welding (PTAW) due to their excellent high-temperature properties and resistance to wear and corrosion. These alloys are typically composed of cobalt as the base metal, with various alloying elements such as chromium, tungsten, nickel, and carbon added to enhance specific properties. Co Powder,Cobalt 6 Powder,Cobalt 12 Powder,Cobalt 21 Powder Luoyang Golden Egret Geotools Co., Ltd , https://www.xtcalloypowder.com
Engineer reads monitoring data 
The team arrived at Shanhaiguan 
The team arrived in Shenyang, Shirley 
Harbin local daytime temperature is minus 15 ° C 
The team arrived at the Heihe Toll Station
The use of cobalt-based alloy powders in PTAW offers several advantages, including:
1. High-temperature strength: Cobalt-based alloys exhibit excellent strength and resistance to deformation at elevated temperatures, making them suitable for welding applications that involve high heat.
2. Wear resistance: These alloys have a high hardness and resistance to wear, making them ideal for welding applications where the welded parts are subjected to abrasive or erosive conditions.
3. Corrosion resistance: Cobalt-based alloys offer good resistance to corrosion, making them suitable for welding applications in aggressive environments, such as those involving chemicals or saltwater.
4. Thermal conductivity: Cobalt-based alloys have good thermal conductivity, allowing for efficient heat transfer during welding and reducing the risk of heat-affected zone (HAZ) defects.
5. Compatibility with other materials: Cobalt-based alloys can be easily welded to a wide range of base metals, including stainless steels, nickel alloys, and other cobalt-based alloys, providing versatility in welding applications.
To use cobalt-based alloy powders for PTAW, the powder is typically fed into the plasma arc using a powder feeder. The powder is then melted by the high-temperature plasma arc and deposited onto the workpiece, forming a weld bead. The specific welding parameters, such as arc current, travel speed, and powder feed rate, will depend on the specific alloy and application requirements.
It is important to note that the selection of the cobalt-based alloy powder should be based on the specific welding application and the desired properties of the final weld. Different cobalt-based a
On December 24, 2018, it was learned that the team carrying the two-engine high-cold test mission of Dongfeng Cummins Six D4.0 and D4.5 ran all the way through the North China Plain and completed the test work at the service stations in Zhangzhou and Beidaihe.