Search results for keyword: pore
shrinkage cavity
Introduction
In civil engineering, holes are often caused by the process of shrinkage. Shrinkage can occur in both concrete and soil materials, resulting in a variety of different types of holes. Shrinkage holes can lead to structural problems, such as decreased stability and increased stress, as......
1153 
Sophia
conversion coating
MEMBRANE TECHNOLOGY
Membrane technology has been key in achieving efficient separations across a multitude of industries from water and wastewater treatment to pharmaceutical manufacturing and even food production. While membrane technology has been around for decades, advances over the past 20 y......
Application of MOGUL Submerged Nozzle and Nanostructure Matrix in SN Skateboard
Introduction
The advancement of modern technology has allowed for a greater number of materials to be used in numerous applications in the manufacturing industry. One of the latest advancements in material technology is the use of micro-structured components. This technology has revolutionized th......
Characteristic Causes of Residual Shrinkage Cavity and Its Judgment and Treatment
Introduction
Remaining shrinkage hole is a common defect in castings, caused by a number of possible factors related to the manufacturing process. This paper attempts to thoroughly review the causes and prevention of remaining shrinkage hole defects in investment castings, and to discuss various ......
Dimensions, shape and weight of waste heat treated steel bars (GB 13014-1991)
Hot-Rolled Steel Bars
Hot-rolled steel bars are metal bars that are hot-processed from raw steel material, which is cooled and then processed through heat-treatments, depending on the grade and application of the metal bar. Hot-rolled steel bars are produced at temperatures higher than 1900°F (1......
Surface quality of waste heat treated steel bars (GB 13014-1991)
Surface Quality of Heat-Treated Steel Rebar
Heat-treated steel rebar is widely used in the construction industry for its strength and durability. Rebars are made from reinforcing steel that is heat-treated in order to give the metal greater strength and ductility. Heat-treated rebar is known for ......
NJ 431-86 Technical Conditions for Welding and Repairing Defects in Gray Iron Castings
Defect Repair Of Grey Iron Casting
Grey iron castings are commonly used for casting structural parts in many industrial equipment. According to their structural characteristics, defects are prone to occur during the process of grey iron casting.Moreover, the defects of grey iron castings are usua......
General requirements for surface quality of hot-rolled steel sheets GB T14977-94
General Requirements for the Surface Quality of Hot Rolled Steel Sheets
Hot-rolled steel sheets are widely used in construction engineering and other industries due to their excellent characteristics. To ensure a good performance, it is necessary to meet the surface quality requirements. General ......
Introduction to 00Cr12Ni10AlTi steel grade
Introduction
00Cr12Ni10AlTi steel is a heat-resistant austenitic stainless steel and is mainly used for construction of parts that require excellent heat resistance, corrosion resistance, and some strength and weldability. 00Cr12Ni10AlTi steel has a good performance in surface and high temperatur......
NS337 use
Modern Technology: Revolution or Degradation of Life Quality
Modern technology, such as the Internet, smartphones, and other gadgets, has revolutionized the lives of millions of people around the world. Everyday, new technologies are being developed that are meant to improve the way we work, com......
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