Constrained Layer Damping (CLD) is a system used to suppress vibrations in various machineries such as ship structures, vibrations caused due to propellers, mounted machinery, etc. It is made of two sheets that are rigid, however, have poor damping properties. A damping material such as viscoelastic is placed between the two sheets. When the surface vibrates, it is trapped between the two sheets and degenerated in the constrained layer as sheer energy. Vibration damping materials are widely used in automotive applications to dampen the vibration and sounds of the engine, thus reducing road noise.
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The automotive industry constantly aims at reducing vehicle weight while striving to improve the noise, vibration, and harshness performance. This increases the demand for improved vehicle acoustic performance with lightweight acoustic materials, treatments, and components. CLD comprises viscoelastic material layers with high stiffness, which help dissipate vibratory energy in the structure through sheer deformation of the viscoelastic layer. Thus CDC proves to be an efficient technique to subdue throbbing and sound in these structures, due to which the demand for CDC is in turn increasing. This is a major factor driving growth of the constrained layer damping market. Integration of lightweight acoustic materials allows for enhanced vehicle efficiency, especially in heavy vehicles such as pickup trucks and SUVs, while reducing the noise, vibration, and harshness (NVH) impacts. Increasing demand for lightweight automotive materials to lower fuel consumption, in turn, is boosting demand for constrained layer damping. According to the U.S Department of Energy, using lightweight materials in just one quarter of the U.S. vehicle fleet will result in fuel savings of up to 5 billion gallons by 2030. Also, a 10% reduction in weight of the vehicle can account for 6-8% fuel economy improvement.
The constrained layer damping market in North America was valued at US$ 302.83 Mn in 2016 and is expected to reach at US$ 552.46 Mn by 2025, exhibiting a CAGR of 6.9% over the forecast period. The market in the regions is projected to hold 30.00% market share in the global constrained layer damping market by 2025. The U.S. is home to the three major companies namely, Ford Motor Company, Fiat Chrysler Automobiles U.S, and General Motors. Increasing demand for premium cars in the North American region is increasing the demand for constrained layer damping systems. For instance in 2016, BMW sold 313,174 models in the U.S alone. On the other hand Mercedes Benz sold 374,540 cars in the U.S. Increasing demand for premium cars, in turn, is expected to boost growth of the constrained layer damping market in the region. OEMs are focusing on incorporating CLD systems in vehicles, to reducing the NVH effects, in turn providing consumers with a comfortable driving experience. The presence of major automotive players in the U.S is expected to propel extensive R&D activities with regards to damping treatments. This in turn is expected to increase the growth opportunities for the CLD systems market.
The global constrained layer damping market was valued at US$ 1,074.08 Mn in 2016 and is expected to register a CAGR of 6.2% over the forecast period. The global constrained layer damping market is projected to reach to US$ 1,841.52 Mn by 2025.
The Asia Pacific constrained layer damping market was valued at US$ 218.06 Mn in 2016 and is expected to reach at US$ 407.16 Mn by 2025 growing at a CAGR of 7.2% over the forecast period. The Asia Pacific region is the fastest growing market for the CLD systems and is expected to retain its dominance during the forecast period. The increasing construction activities in Asia Pacific is expected to see an increasing demand for CLD systems. Damping treatments in construction activities helps to prevent the adverse effects of natural disasters mainly earthquakes. According to Asian Development Bank, Asia Pacific is estimated to invest around US$ 8-9 trillion in infrastructural development by 2018. Major investments in building & construction industry is expected to result into rapid global economic development and increasing population in both developed and emerging economies, which in turn is projected to boost demand for CLD systems in the Asia Pacific region.
Major Players in the Global Constrained Layer Damping Market:
Some of the key players operating in the global constrained layer damping market are Sika Ag, Trelleborg Ab, Henkel Ltd., Flexcon Company, Inc, Nitto Denko Corporation, Pyrotek Inc., Vibratec, Autoneum, Rousch, Avery Dennison Corporation, American Acoustical Products, Polymer Technology Inc. Soundown Corporation, Heathcote Industrial Plastics, Vibracoustic Gmbh, Megasorber Pty Ltd, and 3M among others.
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