Content tagged with "matrix"

Results: 7

Article

February 26, 2004

Selecting the right tungsten But this isn't as true anymore, as the welding industry has shifted toward using inverter-based AC GTAW machines that incorporate square wave technology. Selecting the right tungsten becomes an increasingly critical issue with inverter technology to maximize its benefits. In the past pure... Read more...

Article

October 9, 2003

Combating plate corrosion According to a recent study sponsored by the U.S. Federal Highway Administration (FHWA)1, with support from NACE International—The Corrosion Society, corrosion-related direct costs such as prevention methods and infrastructure repair and replacement make up 3.1 percent of the gross... Read more...

Article

September 25, 2003

Choosing the proper steel to minimize abrasive adhesive tool wear Many tools crack because of abrasive or adhesive wear. If one type is mistaken for the other, the actions taken to extend the life of a tool can have the opposite effect. Abrasive Wear Abrasive wear is caused by hard particles, such as carbides and inclusions, on the surface or within the work... Read more...

Article

June 26, 2003

Phases, structures, and the influences of temperature But phase changes can take place in many metals while still in the solid state. These phase changes are directly related to temperature and take place in the metal's crystalline structure. And while temperature is what controls these transformations, stress, cooling rate, and alloy or chemical... Read more...

Article

August 16, 2001

Sharpening for a longer life Taking a little extra time when performing routine maintenance on your stamping tools can produce big dividends in tool life and reliability. Production stamping tools typically use hardened tool steel insert components, such as punches, matrixes, and die steels, to perform cutting,... Read more...

Article

June 15, 2001

Resisting cracking, deformation, and premature wear: Powder metallurgical steels provide an alternative to conventional tool steels Many pressworking applications require that punch and die components withstand severe loading conditions and long production runs. Under these circumstances, conventional tool steel grades such as American Iron and Steel Institute (AISI) A2, S7, or D2 may not provide the necessary compressive... Read more...

Article

February 19, 2001

Band saw cutting of tube and pipe: Tips for blade selection and machine settings Production quantities of cut tube and pipe can be produced economically with a band saw. Band saws use a thinner blade than do cold saws, so they minimize kerf loss, and their design is conducive to nesting or stacking stock for simultaneous sawing of many pieces. With a band... Read more...

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