采用微合金化的设计思路,钢板成分在低C、低碳当量的基础上添加少量的Nb、Ti等微合金化元素,同时在冶炼过程中采用氧化物冶金技术,在TMCP轧制过程中采用针对低碳当量的超快冷
The heterogeneous deformation behavior of austenite and ferrite in the 2205 duplex stainless steel was subjected to multiscale analysis based on the in situ syn
Electricity is an efficient form of energy,and the growing interest in electricity-assisted manufacturing is motivated by its inherent energy saving and reduced
研究了Q345R低合金钢H10Mn2焊丝和SJ101焊剂焊接工艺,结果表明,焊接接头抗拉强度达到517MPa,大于母材最低值490 MPa,-20℃V型低温冲击功吸收值最小值98 J,高于最低要求41 J;
Nitrogen-doped carbon materials as promising oxygen reduction reaction (ORR) electrocatalysts attract great interest in fuel cells and metal-air batteries becau
研究了厚复层TA1/304复合板沿着爆轰波传播方向、距离起爆端不同位置处的焊接界面变化情况,通过金相分析及性能检测将复合界面的变化情况进行了整体分析,系统研究了在爆轰波传播过程中,界面的动态变化过程。结果表明:沿着爆轰波传播方向,焊接界面形态经历了无波,成波,波幅、波长增大,稳定至消失的动态变化过程。伴随着界面形态的改变,剪切强度先增加随后稳定,最终在起爆对边位置强度明显降低,剪切强度最低为230 MPa。在距起爆边300~400 mm处,界面波形态稳定,波幅比为0.22,剪切强度约为450 MPa。
Targeting of chemotherapeutics towards a tumor site by magnetic nanocarriers is considered promising in tumor-control.Magnetic nanoparticles are also considered
Additive manufacturing enables processing of functionally graded materials (FGMs) with flexible spatial design and high bonding strength.A steel-copper FGM with
Two-dimensional (2D) titanium carbide (MXene) nanosheets exhibited excellent conductivity,flexibility,high volumetric capacity,hydrophilic surface,thermal stabi
Searching for free-standing and cost-efficient hydrogen evolution reaction (HER) electrocatalysts with high efficiency and excellent durability remains a great