The Common Defects of The Clay Sand Casti
    2. The surface finish is poor (including sand holes, burr, sand inclusion scarring)Caused a lot of invalid clay molding sand poor tensile strength and toughness of low, poor permeability.Increasing sand brittleness, the sand fragile boxes, s...

The Common Defects of The Clay Sand Casti
    Clay sand casting of common defects in the following a few basic and old sand has a direct relationship.Some of the problems arisen in the process of production, clay sand old sand due to thermal decomposition of each component in the proces...

The Advantage of Alloy Revestment Precisi
    Alloy revestment precision casting materials have an advantagePrecision casting development of aviation eddy current real coupon tests have been carried out, and does not appear material failure phenomenon.For gas turbine blade materials mad...

The Application of Titanium Alloy Part1
    For titanium alloy has higher specific strength, more excellent corrosion resistant performance and present a greater development potential in ship applications.A, in the application of the ship structure.Titanium and titanium alloy while th...

The Application of Titanium Alloy Part2
    Three line, used in ships.Ship sea system pipeline due to direct contact with seawater and largely arranged on the bottom of the tank, harsh working environment, is restricted by the corrosion of the maximum efficiency of the outstanding pro...

The Shrinkage Crack Defects In The Proces
    A, blow hole, shrinkage cavityStomatal problem in the process of low pressure casting is the most common, it is usually due to the mold of the instruments of the venting is not good, bad mold spray coating system, cooling ring Settings, can...

Common Oxidation Slag The Problems In The
    Low pressure casting is widely used in metal processing technology, with the widespread application of low pressure casting, it brings the disadvantages of has been exposed.A, oxidation slagThe reasons for the oxidation slag is generally be...

According To The Material of Stainless St
    Due to the characteristics of stainless steel and its material organization has a close relationship, so usually in classifications for each department. Such as daily commodities, by the system of austenite stainless steel SUS304 represent a...

The Advantage of Investment Casting
    Among the more commonly used is the investment casting, also known as the lost wax casting: choose appropriate casting material (such as paraffin) manufacturing investment;Touch on casting refractory coating and sand and refractory process,...

The Advantages of Radiation Tube In The H
    Heat treatment is the production of wear resistant steel, ship hull steel, pressure vessel steel products such as an important means of heat treatment furnace is an important equipment in industrial production, compared with other industrial...

The Advantages of Radiation Tube In The H
    Heat treatment furnace is an important equipment in industrial production, the application of radiation tube in the heat treatment furnace has a great advantage.2) products are of good quality.The whole furnace is divided into 24 temperature...

The Development of The Alloy Revestment P
    Being carried out by the several iron and steel research institute of TiAl alloy revestment precision casting, is preliminary already produce vehicles with pressurization turbine engine and the exhaust valve and nozzle jet engine parts, at p...