Liao Authentic, president of the China Plastics Processing Industry Association, said that in 2006, the output of enterprises above designated size of plastic products in China was 28,019 thousand tons, an increase of 18.68% over the same period of last year. The growth rate of major economic indicators of enterprises above the scale of plastic products exceeds 20%, of which gross output value has increased by more than 25% year-on-year, main business revenue has increased by 23.96%, total profits and taxes have increased by 27.21%, and total profits have increased by as much as 30.36%.
Liao believes that, despite the rapid development of the plastics industry, the industry has not yet shaken off the difficult situation of rising prices of raw materials, power shortages, blind investment, similar products, and disorderly competition. During the “Eleventh Five-Year Plan†period, in order to make the industry sustainable development, the Chinese plastics industry should increase investment in the following aspects: First, strengthen independent innovation, improve product quality, and enhance the core competitiveness of enterprises; second, increase energy conservation and consumption reduction. Reduce costs; third is to strengthen the recycling of plastic waste, take the road of circular economy and sustainable development, and at the same time increase the research and development of degradable plastics and industrialize it as soon as possible.
From May 21st to 24th, 2007, Chinaplas 2007 was held in Pazhou Complex of China Export Commodities Fair in Guangzhou. The exhibition area reached 102,000 square meters. Nearly 1,600 exhibitors from 36 countries and regions participated in the exhibition and displayed more than 1,200 machines and various chemical raw materials. Zhu Yulun, chairman of the exhibition organiser Adsale Exhibition Service Co., Ltd., said that 65% of the exhibitors and more than 1,000 companies at the China International Rubber and Plastics Exhibition came from overseas.
Before and after the exhibition, professional and technical forums such as "2007 China and India Plastics Industry Cooperation and Development Summit Forum", "President Forum", "Chinese and Foreign Plastics Machinery New Technology New Products Release and Review Conference" were held.
Cobalt-based alloy powders are commonly used in laser cladding processes due to their excellent wear resistance, high temperature strength, and corrosion resistance. These alloys typically contain varying amounts of cobalt, chromium, tungsten, and nickel, among other elements, to achieve specific properties.
The laser cladding process involves melting the cobalt-based alloy powder using a high-energy laser beam and depositing it onto a substrate to form a protective coating. This coating helps to enhance the surface properties of the substrate, such as hardness, wear resistance, and corrosion resistance.
Some common cobalt-based alloy powders used in laser cladding include:
1. Stellite: This is a well-known cobalt-chromium-tungsten alloy that offers excellent wear and corrosion resistance. It is often used in applications where high temperatures and abrasive environments are present, such as in oil and gas drilling tools, valves, and pump components.
2. Tribaloy: Tribaloy alloys are cobalt-based alloys that contain varying amounts of chromium, molybdenum, and silicon. They are known for their exceptional high-temperature strength and resistance to galling, making them suitable for applications in the aerospace, petrochemical, and power generation industries.
3. Haynes alloys: Haynes alloys are nickel-cobalt-chromium-molybdenum alloys that offer excellent high-temperature strength, oxidation resistance, and corrosion resistance. They are commonly used in applications where extreme heat and corrosive environments are present, such as in gas turbines and chemical processing equipment.
These cobalt-based alloy powders are available in various particle sizes and can be tailored to meet specific application requirements. They can be used with different laser cladding techniques, such as powder-fed laser cladding or blown powder laser cladding, depending on the desired coating thickness and properties.
Overall, cobalt-based alloy powders for laser cladding provide enhanced surface properties and improved performa
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