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heat treatment of metals in ancient China
Heat Treatment of Metals in Ancient China
The history of heat treatment of metals in China dates back to the Shang Dynasty (1600-1046 BCE). This early heat treatment was used to soften and harden bronze utensils and weapons such as knives and spearheads, by heating and cooling in a process that i......
1089 
Sophie
A Review of Brazing (part Two)
Thermal Spraying
Thermal spraying is one of the most versatile and widely used coating techniques with many applications in various industries. Thermal spraying is the process of spraying molten or plasticized materials on a substrate to produce a solid coating. Thermal spraying is commonly used ......
A Review of Brazing (part 1)
Introduction to Brazing
Brazing is a widely used method for joining two pieces of metal together, usually with a filler metal, such as copper, brass, bronze, or aluminum. The brazing process is fairly simple, as it involves heating the pieces of metal with a torch or other heat source and then in......
CNC machining process design
Numerical Control Machining Technology Design
Numerical control machining, commonly referred to as NC machining, is a form of computerized machine tool operation built on the automation of machine tools and machining processes. It is used to control a variety of machine tools, including mills, la......
CNC machining process route
Numerical control (NC) is a manufacturing process that uses computer-controlled machines to create parts and products from raw materials. This process can be used to make parts from a variety of materials, including metals, plastics, wood and composites. NC machining is an efficient way to produ......
The starting point for purchasing concrete pumps
The Purchase of Concrete Conveying Pump
When it comes to the purchase of a concrete conveying pump, there are many factors to consider. These factors can be broken down into three categories; equipment, cost, and safety. Each category should be looked at in order to make sure that the equipment t......
Application of Deep Well Manual Pump in Rural Water Supply
Deep Well Hand Pump for Rural Water Supply
Water is an essential element for all life forms. In many rural and undeveloped areas, access to clean and safe drinking water can be seriously affected by shortages or poor infrastructure. With populations increasing in many parts of the world, clean ......
thermodynamics
Thermodynamics
Thermodynamics is a branch of physical science that is concerned with the study of the relationship between heat, energy, and work. It studies how energy can be converted into different forms such as thermal energy, mechanical energy, and electrical energy, and how it can be transf......
Chuck
THE HISTORY OF EATING UTENSILS
One of the key elements of any civilization is the tools and utensils used by its people for the purpose of eating and food preparation. Eating utensils are usually the first tools invented by people, as the need for them is universally experienced. Not surprisingly......
Applicable occasions and working principle of pneumatic diaphragm pump
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Pneumatic diaphragm pumps are a type of positive displacement pump which uses motion generated by air, gas, or hydraulic pressure to move a flexible membrane, using vacuum suction to draw liquid or gas into a sealed chamber where it is pressurized and forced out of the chamber through an outlet.......
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