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Unmanned Combat Aerial Vehicle (UCAV) Market - Global Industry Insights, Trends, Outlook, and Opportunity Analysis, 2017–2025

Medium-altitude UCAVs was the largest revenue contributor in 2016, is expected to remain the largest revenue contributor over the next few years
In conjunction with the growing requirement for multi-purpose drones, the defense agencies are increasingly emphasizing on the medium-altitude UCAVs development owing to better striking and surveillance capabilities, difficult detection, and high combat sustainability. Moreover, owing to these factors these are expected to dominate the industry through the forecast period.

U.S. is expected to continue its dominance through 2025, primarily owing to the largest defense budget, increased focus on minimal troop casualties, minimize the financial wastage, and increased focus on the development of advanced airborne systems. Moreover the country is also featured with the presence of few major industry participants that include General Atomics, Boeing, Lockheed Martin, and Northrop Grumman among many others.
Industry presence is highly fragmented owing to distributed presence of the major industry participants. Key players in the UCAV market include BAE Systems, General Atomics Aeronautical Systems, Boeing, Northrop Grumman, Israel Aerospace Industries, Denel Dynamics, Dassault Aviation, Lockheed Martin, and Elbit Systems.

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Increased life threats in the low success rated missions, UCAVs are expected to find significant applications through the forecast period

These find significant applications for surveillance, artillery fire direction, gathering electronic intelligence (ELINT) data, lasing targets for fighter planes, and post-strike damage assessment. These critical missions have high risks associated with the human lives. Moreover, defense forces find these missions to be significantly important, are however, reluctant to face the loss of human lives. Moreover, utilization of these unmanned combat aerial vehicle also reduces the requirement of additional equipment required for the human pilots such as the cockpit space, ejection seat, flight controls, armor, and environmental controls for oxygen and pressure. This is expected to be the prominent factor driving the demand of these armed UAVs.

Requirement to establish military supremacy, sustain upper hand in the territorial disputed nations, and counter the extremist terrorist activities will drive the UCAV market

Large number of territorial disputes existing between the nations that specifically include the Asia Pacific and the MEA region are expected to fuel the overall demands for development and manufacture. Some of the chief countries involved in territorial disputes that utilize these drones for various operations include China, India, Iran, Israel, North Korea, Pakistan, Taiwan, and Turkey. Some of the major economies that utilize these operational armed drones include Egypt, France, Germany, Italy, Mexico, the Netherlands, UK and the U.S. These countries are increasingly focusing on the development of these UAVs for domestic warfare and counter-insurgency, which are extensively used to monitor disputed areas and enhance the country security at a lower cost. The changing nature of next generation warfare will propel the global unmanned combat aerial vehicle market over the coming years.
Incorporation of artificial intelligence in these drones and development of long range spy combat drones are few key market trends gaining global market traction

In July 2017, U.S. Navy sent out proposals to four defense contractors to the General Atomics, Boeing, Lockheed Martin, and Northrop Grumman for modulated reconnaissance requirement while enhancing the proposed unmanned aircraft’s aerial tanking duties. UCAVs with long-ranged striking capabilities are incorporated with Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) systems into airborne platforms, which are capable of deploying precision-guided munitions, bombs, and missiles. These factors are expected to drive the demands through the forecast period.

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Discrete Capacitors Market Taxonomy

On the basis of UCAV types, the global discrete capacitors market is classified into:

Medium-altitude UCAVs
High-altitude UCAVs
Others

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Troubleshooting your Thermal Spray Problems.

For many sub-contract machinists, the requirement for Thermal Spray Coatings is a troublesome one. Traditional metal finishing processes are largely standardised, familiar and in the cases of specific brands (for example xylan) there will be a large amount of information available. When it comes to Thermal Spray however it can actually be quite difficult to identify the specification and process required and the process itself may be unfamiliar to many.

What’s Your Specification?

One of the key issues our customers encounter is identifying the specification of the coating they require. In many cases a drawing will state the material used for example “Tungsten Carbide Coating” but may not go into the makeup of the coating or the most suitable process. There are also a wide number of different brand names out there for the same coating. In the example of Tungsten Carbide with 17% Cobalt there are no less than 17 different product codes (with different names) from just one powder manufacturer.

Some of the more popular coating brands include woka,amdry,diamalloy,metco,gpxd,terojet to name just a few. A number of providers of HVOF have also got their own brand names for essentially the same coating which further adds to the confusion. Trying to compare different brands or different coatings isn’t straight forward either as nearly all web information will simply promise you hard coatings with high wear resistance.

What’s Your Process?

In many cases the actual process you are looking for may not be specified on your drawing. The size of your component, the end application and the material being coated should normally give you enough to go on however. Chromium Carbide can be applied through PVD (Physical Vapour Disposition) Hardfacing or Thermal Spray. PVD is generally only suitable for smaller sized components such as molds. Hardfacing is a welding process and more suitable for larger components where tolerances are not a key issue and Plasma Spray can carry out a coating process without distortion and so might be used in slurry pumps for example. Different processes are better suited to different materials, but again this does not make it necessarily obvious to those unfamiliar.

What Is The Process?

Thermal Spray Processes are the modern equivalent of metal spraying, although they all have different methods they all essentially take powder or wire material, heat them up and fire them at a component. This is a relatively destructive process and although with the right jigging and systems like our CO² cooling you are able to coat smaller sized components, it isn’t ideal for parts you would normally batch plate. After being coated components will often be ground, lapped and sealed and may undergo heat treatment as well, making the lead time longer than you might expect with plating.

Got Issues? Got Drawings?

If you are a sub-contract machinist who has come across drawings and are unsure on the process and material you need why not get in touch? Even where we may not able to provide the service B&B will happily point you in the right direction as to which process is the best. We try and include as much information as possible about our process and materials to make it easy for our customers but can of course tailor our coating materials to your needs. Get in touch today!

oliver@bandbprecision.co.uk

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Machining of Magnesium

Why Use Magnesium?

Magnesium is for fourth most common element in the earth and makes up around 13% of our planet’s mass, but only occurs naturally in combination with other elements.

Magnesium and its alloys are a material growing in popularity within the engineering sector. This is primarily down to its attributes as a strong but lightweight material. Magnesium is the third most commonly use structural metal after Iron and Aluminium and historically has been used in applications including German Aircraft during World War 1. It is becoming much more common that Cast and Fabricated Magnesium Alloy parts will undergo CNC machining, but this is not a specialty that all machinist will be familiar with.

Machinability

Magnesium has a lower resistance to cutting, meaning it requires less power (around 55% of the power required to cut Aluminium) and will produce less tool wear. You can produce an excellent surface finish working with Magnesium, and this finish will not be influenced as much by the speed of cutting as it is the feed rate. If fine feeds are required to achieve a fine finish then the cutting speed should be reduced so as to avoid excessive generation of heat. The same is true where you are machining thin walled section which may result in excess heat.

In terms of Tool Material itself Carbide tools are often recommended and will have a significantly longer tool life when cutting Magnesium when compared to the likes of Aluminium. Polycrystalline Diamond (PCD) cutters could also be considered. Generally speaking you can machine Magnesium without the need for coolant, if coolant is necessary a light mineral oil will suffice. Never use a water based coolant as it will react with chips during storage.
  
Dangers

Many machinists who will have encountered Magnesium know about is potential to combust. Even fine Magnesium dust is highly flammable and so it’s important to keep cutting tools sharp, dispatch chips frequently and store in steel closed containers. A Magnesium fire is usually white in appearance and it’s very important never to extinguish a fire with water as this will form Hydrogen which in itself is easily ignited. Safe storage of Magnesium parts are key as they can self ignite and cause major damage. 

Sub-Contract

If you are unfamiliar with Magnesium then it makes sense to send out components to a reliable sub-contractor. B&B have experience with Magnesium Alloy parts as well as Cast Magnesium and provide competitive prices in small to medium volumes.

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