Bossard Group’s Post

Pitting Corrosion Pitting is one of the most destructive types of corrosion, as it can be hard to predict, detect and characterize. Pitting is a localized form of corrosion, in which either a local anodic point, or more commonly a cathodic point, forms a small corrosion cell with the surrounding normal surface. Once a pit has initiated, it grows into a “hole” or “cavity” that takes on one of a variety of different shapes. Pits typically penetrate from the surface downward in a vertical direction. Pitting corrosion can be caused by a local break or damage to the protective oxide film or a protective coating; it can also be caused by non-uniformities in the metal structure itself. Pitting is dangerous because it can lead to failure of the structure with a relatively low overall loss of metal Pitting corrosion is a cavity, hole or pit that forms in a small area or point. The pits or holes are obscured by a small amount of corrosion product (rust) on the surface. When a cathodic reaction in a large area (coating) sustains an anodic reaction in a small area (exposed metal), a pit, cavity or small hole will form. Oxidation occurs in the metal even when there is no supply of oxygen. High electron demand by the large cathode is put on the small anode, the result is intense pitting corrosion. It will be subtle and happen rapidly with very harmful effects. Only a small spot of rust is visible on the surface while damage happens deep in the metal structure. The most common pitting corrosion causes in pipeline: Cracks in protective coating or painting, scratches, scuffs & small chips, non-uniform stress on pipeline, non-uniform protective coating, Source: https://lnkd.in/d9n6H-6w #oilandgas #refinery #corrosion #corrosioncontrol #maintenance #maintenancemanagement #pipeline #piping #maintenanceandrepair #inspection #inspector #safety #processsafety #steel #store #handling #pittingcorrosion #corrosionprevention #corrosionengineering

MUST KNOWN FOR THE PRODUCTION OF QUALITY AND STANDARD STEEL BARS FOR STRUCTURAL STABILITY AND LONGEVITY ............................................................................................. #Scrap Selection: Carefully select high-quality scrap with minimal impurities to ensure the steel has the desired properties. #Sorting and Cleaning: Thoroughly sort and clean the scrap to remove contaminants like dirt, rust, and non-metallic materials. #Chemical Composition: Analyze the scrap to determine its chemical composition and add necessary alloying elements to achieve the desired steel grade. #Melting Process: Use efficient melting processes, such as electric arc furnaces #inductionfurnaces to thoroughly melt the scrap and homogenize the material. #Decontamination: Implement decontamination processes to remove unwanted elements such as sulfur, phosphorus, and other impurities. #Temperature Control: Maintain precise temperature control during melting and casting to avoid defects and ensure uniform quality. #Alloying: Add precise amounts of alloying elements to achieve the required mechanical properties, such as strength and ductility. #Casting and Rolling: Use advanced casting and rolling techniques to shape the steel bars, ensuring consistent dimensions and surface quality. #Heat Treatment: Apply appropriate heat treatment processes, such as quenching and tempering, to enhance the steel's mechanical properties. #Quality Control: Conduct rigorous quality control tests, including tensile strength, hardness, and chemical composition analysis, to verify the steel bars meet industry standards. #Skilled Workforce: Employ trained personnel to oversee the production process, ensuring adherence to quality protocols and safety measures. #production #steel #quality #structure #building #engineering #technology #IT #siwes

Creep corrosion is defined as a type of corrosion that creeps onto the surface of a PCB board over time. Click here to learn more https://ow.ly/2Vzq50RvE97 #pcb #directory #technical #article #community #post #resource #industry #insights #global #Creep #Corrosion #Moisture #Damage

Pipe clamps are vital in industry and life. Their production begins with the selection of raw materials, such as steel, stainless steel, aluminium alloys and plastics. Metal hose clamps are often formed by stamping and casting, and then surface treatment such as zinc plating. Plastic pipe clamps are generally injection moulded. Strict quality control in production, from raw material inspection to finished product testing to ensure that the dimensional accuracy, clamping force and corrosion resistance up to standard. Pipe clamps are widely used in industry, construction and other fields, the future will be towards intelligent, multi-functional and environmental protection direction.

Corrosion:- If the material wear is 0.15 or 0.25 or 0.5 mm. We can use retention compounds to compensate for the wear, which are anaerobic adhesives used to: 1- Fill the gap between non-threaded metal parts to hold them in place and reduce vibration. 2- Secure bearings, bushings and cylindrical parts in casings or on shafts. 3- Provide a strong bond between components for high-precision assembly. 4- Repair pressed assemblies or reinforce the seats of mechanical components. If the corrosion is greater than that, the solution here is in a material called Metal build up compound. The material is like welding, but it is a chemical material that is available with more than one mechanical property. So if you need an iron alloy or an aluminum alloy, the advantage here is that it avoids welding defects as well as non-technical or engineering repairs.

Corrosion is a complex process that leads to the deterioration of metals due to reactions with their environment. 1. What is Metal Corrosion? Metal corrosion is the gradual degradation of metal properties as a result of chemical reactions with external factors such as moisture, oxygen, and pollutants. This degradation compromises the metal’s structural integrity and functionality. 2. Physical vs. Chemical Corrosion: Corrosion can broadly be classified into two categories:Physical Corrosion: Also known as mechanical wear, this type involves the physical removal of metal from its surface due to friction, erosion, or abrasion.Chemical Corrosion: This type involves chemical reactions between the metal and its environment, such as oxidation or acid attacks, leading to deterioration. 3. Rust vs. Corrosion: While often used interchangeably, "rust" specifically refers to the oxidation of iron and its alloys, resulting in a reddish-brown oxide. "Corrosion," however, is a more general term that includes various forms of metal degradation beyond just rusting. 4. Severe Risks: Corrosion poses significant risks to both safety and functionality, potentially leading to catastrophic failures in structures and machinery. 5. Methods for Corrosion Prevention and Control: To mitigate the effects of corrosion, various methods can be employed:Protective Coatings: Applying paints, varnishes, or metallic coatings to shield the metal from environmental factors.Cathodic Protection: Using sacrificial anodes or impressed current systems to prevent corrosion on metal surfaces.Corrosion Inhibitors: Adding chemicals to the environment or coating to slow down the corrosion process.Material Selection: Choosing corrosion-resistant materials or alloys for specific applications.Design Modifications: Improving design to reduce exposure to corrosive environments and ensure proper drainage. "The video demonstrates the critical importance of adopting one of the discussed corrosion prevention methods... #Corrosion #Engineering #Corrosion_Control #Packaging #Quality_Control #Cathodic_Protection #Coating #wrapping

COSMOS COATING SYSTEMS explains in an easy-to-understand format 11 key aspects of Coating Systems: 1.    COMPONENTS OF ANTI-CORROSIVE COATING PAINTS 2.    PHASES OF COATING APPLICATION 3.     PAINT PREPARATION 4.    ABOUT THE COATTING ITSELF 5.    ABOUT THE DRYING PROCESS 6.    ABOUT PAINT WHEN IT IS A LIQUID 7.    ON THE ADHERENCE OF THE PAINT TO THE SUBSTRATE 8.    ON MOLECULES AND CHEMISTRY 9.    MECHANICAL PROPERTIES 10. OPTICAL PROPERTIES 11. AGAINST CORROSION Download this INFORMATIVE GUIDE and feel free to ask our Technical Team your follow-up questions. We want to know how we can provide your company with solutions in industrial paints and Coating Systems to protect and maximize the lifetime of your investments. +51 982.546.418 / InfoPeru@CosmosCoatings.com #coatings #corrosion #epoxy #polyurethane #metals #protection #floors  #scienceandenvironment #scienceandtechnology #industrialpaints #industrialcoatings #industrialmaintanance #CosmosCoatings

Corrosion of metal is the gradual destruction or deterioration of metal due to chemical or electrochemical reactions with its environment. It's a natural process that occurs when metals react with air, water, acids, or other substances. Corrosion can cause: 1. Rust or flaking 2. Pitting or holes 3. Cracking or brittleness 4. Discoloration or staining 5. Weakness or failure of metal structures or components Common types of corrosion include: 1. Uniform corrosion (general attack) 2. Pitting corrosion (localised attack) 3. Crevice corrosion (in tight spaces) 4. Galvanic corrosion (between dissimilar metals) 5. Erosion corrosion (due to wear or abrasion) Factors that influence corrosion include: 1. Environment (air, water, chemicals) 2. Temperature 3. Humidity 4. pH level 5. Presence of corrosive substances 6. Metal composition and properties Corrosion can be prevented or controlled using: 1. Coatings (paint, varnish, plastic) 2. Inhibitors (chemicals that slow corrosion) 3. Cathodic protection (applying electric current) 4. Surface treatment (cleaning, polishing) 5. Using corrosion-resistant materials (stainless steel, titanium) It's important to understand and manage corrosion to ensure the durability, safety, and reliability of metal structures and components in various industries, such as construction, transportation, and manufacturing. #Corrosion #MetalDeterioration #Rust #MetalFailure #CorrosionPrevention #MetalProtection #UniformCorrosion #PittingCorrosion #CreviceCorrosion #GalvanicCorrosion #ErosionCorrosion #EnvironmentalFactors #MetalProperties #SurfaceTreatment #CathodicProtection #CorrosionInhibitors #Coatings #CorrosionResistantMaterials #Durability #Safety #Reliability #Construction #Transportation #Manufacturing

Surface Treatment

Introducing our Business Unit Surface Treatment 🌟 Our Surface Treatment Business Unit operates globally in the areas of pretreatment, non-cutting forming, and corrosion protection of metals. In the pretreatment sector, metallic workpieces such as steel, galvanized steel, and aluminum undergo surface treatment before final coating. Our pretreatment products, especially those in the DECORRDAL range, enhance the adhesion of various coating systems, protect metal surfaces from corrosion, and ensure the long-term value retention of our customers' components. Our processes for forming and surface protection include products for metal forming and corrosion protection. Chipless cold forming through extrusion, drawing, or deep drawing forms the basis for efficient industrial mass production of many components. #SurfaceTreatment #Innovation #Sustainability #Metalprocessing #Processoptimization #kluthe #pretreatment #formingandprotection