Results 61 to 70 of about 2,505 (195)
Nihon Kikai Gakkai ronbunshu, 2017 The fracture toughness Jc of the material in the ductile to brittle transition temperature (DBTT) region shows test specimen thickness (TST) effect and temperature dependence, and apparently increases when compressive residual stress is applied.
Kenichi ISHIHARA +2 more
doaj +1 more source
MetalsBody-centered cubic (BCC) metals, extensively utilized in low-alloy high-strength steels and heat-resistant alloys, exhibit a pronounced ductile–brittle transition (DBT) at cryogenic temperatures, marked by a well-defined yet narrow ductile–brittle ...
Jie Zhang +4 more
doaj +1 more source
Indentation plasticity and fracture in silicon [PDF]
Measurements of the ductile-brittle transition temperature of heavily doped silicon were carried out using indentation techniques. Diamond pyramid hardness tests were performed on the (100) face of heavily doped N-type and P-type and intrinsic silicon ...
Pirouz, P., Rybicki, George C.
core +1 more source
The Influence of Lath, Block and Prior Austenite Grain (PAG) Size on the Tensile, Creep and Fatigue Properties of Novel Maraging Steel [PDF]
, 2017 The influence of martensitic microstructure and prior austenite grain (PAG) size on the mechanical properties of novel maraging steel was studied. This was achieved by looking at two different martensitic structures with PAG sizes of approximately 40 µm ...
Allen +21 more
core +2 more sources
A procedural and technical experimental review on material tensile and impact properties under cryogenic temperatures [PDF]
E3S Web of ConferencesIn this paper, research and comparison of tensile and impact properties were conducted on several materials broadly categorized as Steel and Alloys at cryogenic temperature of 77 K or -196°C.
Ahzhan M. F. A. +7 more
doaj +1 more source
Development of columbium alloy WC3015 [PDF]
Effect of changes in basic composition and additions of alloying elements on mechanical properties of niobium alloy ...
Tavassoli, A. A.
core +1 more source
Tempering temperature effect on the static and impact properties of 51CrV4 and 55Cr3 spring steels
Materials Research ExpressThis study investigated the impact of tempering temperature on the mechanical properties and microstructure of 51CrV4 and 55Cr3 spring steels, which are commonly utilized in the manufacturing of leaf springs.
Gülcan Toktaş, Adem Biçer
doaj +1 more source
Influence of Inclusions on the Mechanical Properties of RAFM Steels Via Y and Ti Addition
Metals, 2019 The effects of the Y- and Ti-containing inclusions on the tensile and impact properties of reduced activation ferritic martensitic (RAFM) steels were evaluated. Four steels with different Y and Ti contents were produced via vacuum induction melting.
Guoxing Qiu +6 more
doaj +1 more source
Thermal aging effects in refractory metal alloys [PDF]
The alloys of niobium and tantalum are attractive from a strength and compatibility viewpoint for high operating temperatures required in materials for fuel cladding, liquid metal transfer, and heat pipe applications in space power systems that will ...
Stephens, J. R.
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Microstructure and temperature dependence of the microhardness of W-4V-1La₂O₃ and W-4Ti-1La₂O₃ [PDF]
, 2013 This study is presented of: The Fifteenth International Conference on Fusion Reactor Materials (ICFRM-15) was held October 16–22, 2011, at the Charleston Marriott Hotel in Charleston, South CarolinaW–4V–1La₂O₃ and W–4Ti–1La₂O₃ (wt.%) alloys have been ...
Martinez, J. +4 more
core +2 more sources