Improving of Surface Quality of Metal Reflector Mirrors Machined by Single Point Diamond Turning by G. A. Gusakov, G. V. Sharonov

“…The optical surface treatment was carried out on a precision turning lathe with an air bearing spindle using a special diamond cutter with a blade radius of ≤ 0.05 μm. …”
Get full text

An Atomic Study of Substructures Formed by Shear Transformation in Cast γ-TiAl by Hanlei Zhang, Hongchao Kou, Xiaolei Li, Bin Tang, Jinshan Li

“…Substructures and microsegregation of γ/γ laths are analyzed with HRTEM and HAADF-STEM. Results show that the substructures are generated during evolution of shear transformation on the (111-) plane of γ lath. …”
Get full text

Notch Fatigue Damage Evolution Mechanism of TC21 Alloy with Multilevel Lamellar Microstructures by Xiaosong Zhou, Xiang Li, Chaowen Huang, Quan Wu, Fei Zhao

“…The findings reveal that increasing aging temperature primarily contributes to the augmentation of α colony (α_c) thickness, grain boundaries α phase (GBα) thickness, and α fine (α_fine) size alongside a reduction in α lath (α_lath) thickness and α_fine content. …”
Get full text

Microstructure and Mechanical Properties of Heat Treatment Low-alloy Wear-resistant Steel NM450 by Wu　Zhennan, Yao　Kaiyang, Tao　Yun, Zhou　Weichen, WanXin　, Song　Xinli

“…The results showed that the lath martensite with a small amount of ferrite structure was obtained for the high-strength low-alloy wear-resistant steel quenched at 840 ℃ and tempered at 200 ℃. …”
Get full text

Effect of Shielding Gas on Microstructures and Mechanical Properties of TC4 Titanium Alloy Ultranarrow Gap Welded Joint by Laser Welding with Filler Wire by Naiwen Fang, Erjun Guo, Kai Xu, Ruisheng Huang, Yiming Ma, Caiyou Zeng, Yicheng Yang, Jilin Xie, Hao Cao

“…The results showed that HAZ of the welded joint formed with Ar as shielding gas was much wider than that with He, and weld microstructure composition with the two shielding gases was basically consistent; phase boundary of the weld metal obtained with Ar was clearer, with a larger misorientation between the laths; α′ martensite lath in weld metal prepared with He showed obvious preferred orientation distribution, and α′ martensite microstructure was much finer; the misorientation of α′ phase grain boundary of weld microstructure prepared with Ar was slightly less distributed in high angle grain boundary than that with He; tensile property of the welded joint prepared with He was better than that with Ar; the hardness of each zone of welded joint prepared with He was less fluctuated and the hardness value measured was slightly higher than that with Ar.…”
Get full text

Microstructural Evolution during Thermal Exposure of G115 Steel and Its Influence on Mechanical Properties by Shaohai Ma, Kai Yan, Chang Che, Xisheng Yang, Gong Qian

“…The majority of martensitic lath structure was replaced by sub-grains and the strength decreased linearly. …”
Get full text

New insights for preformed martensite of carbide-free bainitic steels austempered below Ms temperature: Inconsistent effects of microstructure, stability of retained austenite, and... by Qingchao Wang, Decheng Jia, Runzhou Dong, Huajun Fu, Dongyun Sun, Xiaoyong Feng, Zhinan Yang, Xinliang Gao, Fucheng Zhang

“…For the sample with PM, the increase rate of BF lath thickness is 65.1% lower than that without PM. …”
Get full text

The influence of process parameters on the microstructure and properties of the TiC/Ti-alloy composites fabricated by the directed energy deposition process by Yongxia Wang, Wei Fan, Fan Zhou, Konda Gokuldoss Prashanth, Zhe Feng, Siyu Zhang, Hua Tan, Xin Lin

“…Concurrently, the morphology of the α phase changes from coarse lath-like to slender lath-like to irregular block-like. …”
Get full text

Tempering of deformed and as-quenched martensite in structural steel by Najafi M., Mirzadeh H., Alibeyki M.

“…Different reductions in thickness were considered and compared with the behavior of as-quenched martensite during tempering. tempering of the asquenched martensite was accompanied by the formation of carbide particles, incomplete disappearance of the lath martensite morphology, and continuous decrease in hardness until reaching low values. …”
Get full text

ANALYSIS OF THE REASONS OF BREAKAGES OF RETAYNER OF THE CAMP OF PQF AND SOLUTION OF PROBLEMS by A. V. Chubenko

“…Transition from the uniformly acceleration of traffic control of a lath of a retayner to not uniformly accelerated is provided. …”
Get full text

Optimization of alloying element types and contents in high strength and high toughness bainitic steels by Ranran Zhu, Xiaoyan Long, Fucheng Zhang, Zhinan Yang, Yanguo Li, Yan Yang, Yifei Wang

“…Additionally, MnAl–1Si steel shows thinner laths thickness and higher dislocation density, so its strength is increased. …”
Get full text

Study on Compaction and Machinability of Silicon Nitride (Si3N4) Reinforced Copper Alloy Composite through P/M Route by T. Sathish, V. Mohanavel, Alagar Karthick, M. Arunkumar, M. Ravichandran, S. Rajkumar

“…Further, the green compacted specimens are sintered, and the sintered billets are machined in the conventional lathes with different cutting speeds 50 m/min, 100 m/min, and 150 m/min; feed rate of 0.1 mm/rev (fixed); and depth of cut of 0.5 mm, 0.8 mm, 1 mm, 1.2 mm, 1.4 mm, and 1.6 mm. …”
Get full text

Pre-martensite and bainite reactions: A thermal stability study by Aleksandra Królicka, José Antonio Jimenez, Francisca G. Caballero

“…A qualitative and quantitative analysis of the morphology of the bainitic structure demonstrated that there are no significant differences in the thickness of the bainitic ferrite laths in both cases. However, a clear refinement of the retained austenite blocks of the steel treated below Ms was observed. …”
Get full text

High-integrity diffusion bonding of laser powder bed fused, forged, and rolled Ti–6Al–4V alloys by Seoyeon Jeon, Hyunjong Ha, Dong Jun Lee, Hyeonil Park, Yong Nam Kwon, Hyunjoo Choi, Hyokyung Sung

“…Extended bonding durations led to β phase coarsening and thickened, elongated α′ laths in LPBFed materials, negatively impacting their mechanical properties. …”
Get full text

Mechanical behaviour of micro-alloyed steels with vanadium for rail axles by D.E.P. Klenam, L.H. Chown, M.J. Papo, L.A. Cornish

“…The quenched and tempered microstructures were mainly lath martensite and ferrite, with some bainite. All normalised and air-cooled steels, as well as the furnace-cooled 0.13 wt% V and 0.25 wt% V steels, were mainly bainite and ferrite. …”
Get full text

The effect of high-temperature intercritical annealing and rolling strain on the development of trimodal microstructure in low-carbon steel by Somayyeh Gholamalipour, Roohollah Jamaati, Seyed Jamal Hosseinipour

“…After intercritical annealing at the high temperature (830 °C), two different morphologies including lath and plate were formed for the martensite phase due to the short-term intercritical annealing treatment without prior homogenization. …”
Get full text

The study and determination of causes of fracture of the shaft of the roll working the wire cassette unit by I. A. Kovaleva, P. A. Bobkov, I. A. Ovchinnikova

“…In the process of the design of the machine, lath or unit the foundations of durability and reliability of individual components and parts are established. …”
Get full text

Effect of copper addition on microstructure and texture of TC4 titanium alloy manufactured by laser melting deposition by XIE Shao, LIU Yan, LI Junjie, ZHANG Zhenlin, CHEN Hui

“…The short rod-like Ti2Cu distributes at the boundary of the α-Ti lath， and its proportion in the microstructure increases with the increase of Cu addition. …”
Get full text

The role of Si at a lower level on the mechanical properties of Al-based automotive alloys by Khan A.A., Hossain Al-K., Kaiser M.S.

“…The lower strength with DP steels was attributed to low alloyed lath martensite in DP 980 and the lower grade DP780 was softer which was associated with ferrite dispersion in martensite. …”
Get full text

Metastatic Basal Cell Carcinoma: A Biological Continuum of Basal Cell Carcinoma? by Karaninder S. Mehta, Vikram K. Mahajan, Pushpinder S. Chauhan, Anju Lath Sharma, Vikas Sharma, C. Abhinav, Gayatri Khatri, Neel Prabha, Saurabh Sharma, Muninder Negi

Get full text