The unique characteristic of hardness is elegantly displayed by diamond, a substance known to be one of the hardest in the planet. Due to the hardness of diamond, it is practically impervious to getting scratched. In the world of infrastructure, it is not rare to find diamond used in some ...
Melnick C A, Chen Z and Mecholsky J J 1996 Hardness and toughness of exoskeleton material in the stone crab, Menippe mercenaria J. Mater. Res. 11 2903-7Melnick CA, Chen Z, Mecholsky JJ (1996) Hardness and toughness of exoskeleton material in the stone crab, Menippe mercenaria. J Mater...
tensite and strongly for lower bainite. Independently on grain size, lower bainite was more propensive than martensite to embritlement after short reheating in the (a+g) range. For martensite, the change of notch toug- hness was not related to change of hardness, as by lower hardness lower...
The effects of heat treatment process on retained austenite,hardness,toughness and wear resistance of high vanadium high speed steel were studied,and the optimal heat treatment process for abrasive wear was acquired. 研究了热处理对高钒高速钢残留奥氏体、硬度、冲击韧度及磨粒磨损性能的影响,筛选了适用...
By using CLC, the strength of steel plates is increased while maintaining low Ceq and Pcm values even with heavy thickness (Fig. 3). In this way, high notch toughness, high cold cracking resistance, welding without preheating and low maximum hardness in the HAZ can be attained. Sign in to...
Finer original austenite grain size benefits to increase the BF/AF ratio in volume of a base material enlarge the crystal orientation difference of microstructure transformation inside austenite. Cracks on a broken section of DWTT samples can (a) penetrate the coarse grains directly, (b) propagate ...
hardness at 1475°F but the hardness difference was small between 1450 and 1475; therefore the steel shouldn’t be austenitized higher than 1475°F and perhaps should be austenitized lower such as 1425 or 1450°F. 1.2562 with its very high carbon showed a drop in hardness even when ...
Hardness and fracture toughness are the two most important mechanical properties of the WC-Co cemented carbides; other mechanical properties, such as impact resistance and wear resistance, are fundamentally dependent on the hardness and fracture toughness. As described by the Hall-Petch relation4–5,...
Finally, the IIF technique should only be considered a comparative or semi-quantitative technique for comparing material interfaces and/or the neighboring materials. 展开 关键词: Humans Hardness Tests Fractures, Bone Adult Weight-Bearing Biomechanics Male DOI: 10.1016/j.jmbbm.2008.10.008 被引量: 166...
Guan,Xiaodong Xu,Hong Xu,Zhiwen Wang.Effect of aging at 700℃on precipitation and toughness of AISI 321 and AISI 347 austenitic stainless steel welds. ... G Kaishu - 《Nuclear Engineering & Design》 被引量: 0发表: 2005年 Influence of stabilization heat treatments on microstructure, hardness ...