scholarly journals Effects of Alloy Composition and Heat Treatment on the Damping Behavior of MnCuNiFe Damping Alloys

DENKI-SEIKO ◽  
2004 ◽  
Vol 75 (4) ◽  
pp. 245-252
Author(s):  
Kenji Watanabe ◽  
Yoichiro Kitamura ◽  
Fuxing Yin
Keyword(s):  
Heat Treatment ◽  
Alloy Composition ◽  
Damping Behavior

Homogeneous Al-Ti and Al-Ti-Si Thin Alloy Films

1985 ◽  
Vol 54 ◽  
Author(s):  
Albertus G. Dirks ◽  
Tien Tien ◽  
Janet M. Towner
Keyword(s):  
Thin Films ◽  
Heat Treatment ◽  
Grain Size ◽  
Electrical Resistivity ◽  
Phase Formation ◽  
Alloy Composition ◽  
Al Alloy ◽  
Second Phase ◽  
Alloy Films ◽  
Microstructure And Properties

ABSTRACTThe microstructure and properties of thin films depends strongly upon the alloy composition. A study was made of the metallurgical aspects of homogeneous Al alloy films, particularly the binary Al-Ti and the ternary Al-Ti-Si systems. Electrical resistivity, grain size morphology, second phase formation and electromigration have been studied as a function of the alloy composition and its heat treatment.

Effect of SiC coating and heat treatment on damping behavior of C/SiC composites

2008 ◽  
Vol 473 (1-2) ◽  
pp. 254-258 ◽  
Author(s):  
Qing Zhang ◽  
Laifei Cheng ◽  
Wei Wang ◽  
Litong Zhang ◽  
Yongdong Xu
Keyword(s):  
Heat Treatment ◽  
Damping Behavior ◽  
Sic Composites

Influence of isochronal heat treatment on damping behavior of AZ61 alloy

2007 ◽  
Vol 14 (3) ◽  
pp. 315-318 ◽  
Author(s):  
Chu-ming Liu ◽  
Zi-juan Liu ◽  
Xiu-rong Zhu ◽  
Bi-wen Hu ◽  
Rong Wang ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Az61 Alloy ◽  
Damping Behavior

HPM X-750

Alloy Digest ◽  
2006 ◽  
Vol 55 (6) ◽  
Keyword(s):  
Heat Treatment ◽  
High Temperature ◽  
Physical Properties ◽  
Elevated Temperatures ◽  
Alloy Composition ◽  
Heat Treating ◽  
Chromium Alloy ◽  
Nickel Chromium ◽  
Temperature Performance ◽  
Wide Range

Abstract HPM X-750 is a precipitation-hardenable nickel-chromium alloy that is well suited for a wide range of corrosive and oxidizing environments where strength must be maintained to elevated temperatures. The alloy composition provides a product that performs well at elevated temperatures up to 700 deg C (1300 deg F). The strength can be increased by heat treatment. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance as well as forming, heat treating, and joining. Filing Code: Ni-638. Producer or source: Hamilton Precision Metals.

Alloy 800H: Material and Fabrication Challenges Associated With the Mitigation of Stress Relaxation Cracking

2020 ◽  
Author(s):  
Richard Colwell ◽  
Cathleen Shargay
Keyword(s):  
Heat Treatment ◽  
Stress Relaxation ◽  
Elevated Temperatures ◽  
Alloy Composition ◽  
Alloy 800H ◽  
Dissimilar Metal ◽  
High Temperature Alloys ◽  
Technical Report ◽  
Treatment Measures ◽  
Iron Nickel

Abstract Heat resistant Iron-Nickel-Chrome alloys, such as Alloy 800H, are designed to be used at elevated temperatures. At temperatures ranging from 550 to 750°C (1022 to 1380°F) these alloys can be susceptible to stress relaxation cracking (SRC). For these and other high temperature alloys, API Technical Report 942-B provides recommended ranges for material composition, as well as fabrication and heat treatment measures to mitigate Stress Relaxation Cracking. However, it has been shown to be difficult to obtain material that satisfies the API recommended prescriptions. Recommended alloy composition, welding and fabrication steps can become complex for special situations found on projects (i.e. thicker wall piping, dissimilar metal welds, etc.). This paper discusses example applications, and the reasons for selecting Alloy 800H. It also describes the SRC mechanism, the technical justifications for the API 942-B recommendations, and the challenges that have been experienced trying to meet these recommendations.

Rosenhain Centenary Conference - Titanium alloys for engineering structures

1976 ◽  
Vol 282 (1307) ◽  
pp. 401-411 ◽  
Keyword(s):  
Heat Treatment ◽  
Titanium Alloys ◽  
Alloy Composition ◽  
High Strength ◽  
General Purpose ◽  
Alloy Development ◽  
Engineering Structures ◽  
Factors Affecting ◽  
The One ◽  
The Cost

The range of properties obtainable in titanium alloys derives from the use which is made of the j5~oc phase transformation, and alloying elements are classified according to their effect on the transformation temperature. The relation between composition and heat treatment on the one hand and the resultant microstructure and mechanical properties on the other hand are considered. In addition to the commonly used ‘general purpose’ alloy Ti-6A1-4V, more advanced alloys have been developed for three main applications, namely high strength forging alloys, creep resistant alloys and sheet alloys. For each type of alloy a different balance of material properties is required and the process of optimizing the alloy composition and heat treatment to give the best balance in each case is discussed. Factors affecting the cost of titanium alloys are outlined and consideration is given to the likely trends of titanium alloy development in the future.

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