In the vast universe of materials science, poly diamond resembles a dazzling star, exuding unique and enchanting brilliance. It is a conglomerate composed of many fine diamond particles, with diamond as the main component, typically containing no less than 50% diamond. From a microscopic perspective, these tiny diamond grains are tightly interwoven under the influence of specific processes and binders, forming a polycrystalline structure akin to countless miniature diamond warriors, standing shoulder to shoulder, forging the remarkable performance of poly diamond.
Poly diamond boasts a series of astonishing exceptional performances. It has an extremely high hardness, reaching up to 8000HV, which is 8-12 times that of hard alloys. This allows it to handle various hard materials with ease, effortlessly tackling tasks such as cutting and grinding. Imagine it as an invincible blade that can easily slice through the hardest metals as smoothly as a hot knife cuts through butter.
Additionally, it has excellent wear resistance, far surpassing many traditional materials. This means that tools made from poly diamond can maintain good performance during long periods of high-intensity work, significantly extending their service life and reducing production costs.
Moreover, the thermal conductivity of poly diamond is as high as 700W/mK, which is 1.5-9 times that of hard alloys and even higher than PCBN and copper. This characteristic allows it to rapidly transfer heat during processing, effectively preventing problems such as material performance degradation and reduced processing accuracy caused by excessive temperatures. It's like a highly efficient cooling fan that quickly dissipates heat, ensuring stable equipment operation.
Additionally, its friction coefficient is generally only 0.1-0.3 (the friction coefficient of hard alloys is 0.4-1), minimizing the friction between the cutting tool and the workpiece during the cutting process. This not only significantly reduces cutting forces but also improves the quality of the machined surface, making it as smooth as a mirror.
The development history of poly diamond is a legend filled with innovation and breakthroughs. In the 1950s, amidst the wave of exploration in materials science, poly diamond was born. At that time, due to the scarcity and high cost of natural diamond resources, researchers began exploring the possibility of synthetic diamonds. With breakthroughs in high-temperature and high-pressure technology, synthetic diamonds became a reality, and poly diamond emerged as a new type of superhard material, initially mainly used in stone processing.
From the 1970s to the 1990s, the poly diamond industry entered a golden period of rapid development. During this period, manufacturing technology continuously advanced, significantly enhancing the performance of poly diamond. Its application fields quickly expanded from stone processing to metalworking, geological exploration, and many others.
Like a pebble thrown into a calm lake, it created ripples, drawing widespread attention and applications from various industries. As market demand continued to grow, the number of poly diamond production enterprises worldwide rapidly increased like mushrooms after rain, and the industry scale continuously expanded.
Entering the 21st century, the poly diamond industry entered a new phase of development. The rapid advancement of science and technology brought further improvements to the manufacturing process and product performance of poly diamond. Meanwhile, the growing awareness of environmental protection also brought more attention to poly diamond as a recyclable material. During this phase, the industry placed greater emphasis on technological innovation, brand building, and market expansion, continuously enhancing its core competitiveness and occupying an important position in the global market.
It is precisely these excellent performances that enable poly diamond to exhibit immense application potential in numerous fields, becoming an indispensable key material in modern industrial development. From petroleum drilling to precision machining, from electronics manufacturing to aerospace, the presence of poly diamond is ubiquitous, injecting powerful momentum into the development of various industries and opening up new chapters one after another.
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