Results 51 to 60 of about 8,138,282 (202)

Effect Of Lead-free Solder And Gold Content On The Shear Strength, Toughness, IMC And Void Formation [TT267. C518 2004 f rb Kejuruteraan] [Microfiche 7715]. [PDF]

open access: yes, 2004
Study of interaction between lead free solder with gold and the mechanical toughness,shear strength of solder that associated with intermetallic compound IMC and void formation was carried out.
Oo, Cheng Ee
core   +1 more source

Simultaneously Enhancing Thermal Stable Dielectric Property and Piezoelectric Response in Lead-Free LiNbO3-Modified (K0.5Na0.5)NbO3- (BaNi0.5Nb0.5O3) System

open access: yesFrontiers in Materials, 2020
Perovskite ferroelectic oxides with simultaneous highly thermal stable dielectric property and piezoelectric response are promising candidate for advanced energy, dielectric, and smart devices.
Hongfen Ji   +7 more
doaj   +1 more source

Piezoelectric Nanogenerator Based on Lead-Free Flexible PVDF-Barium Titanate Composite Films for Driving Low Power Electronics

open access: yesCrystals, 2021
Self-powered sensor development is moving towards miniaturization and requires a suitable power source for its operation. The piezoelectric nanogenerator (PENG) is a potential candidate to act as a partial solution to suppress the burgeoning energy ...
Manisha Sahu   +5 more
doaj   +1 more source

Advancements and Prospects in Perovskite Solar Cells: From Hybrid to All-Inorganic Materials

open access: yesNanomaterials
Hybrid perovskites, materials composed of metals and organic substances in their structure, have emerged as potential materials for the new generation of photovoltaic cells due to a unique combination of optical, excitonic and electrical properties ...
Fernando Velcic Maziviero   +6 more
doaj   +1 more source

Effects of Bismuth on the Microstructure, Properties, and Interfacial Reaction Layers of Sn-9Zn-xBi Solders

open access: yesMetals, 2021
In electronic packaging, Sn-Zn lead-free solder has great application prospects. Sn-9Zn-xBi alloys were obtained by smelting. This paper details a systematic study of the effect of Bi on the microstructure, melting behavior, wettability, mechanical ...
Yan Zhi Peng   +7 more
doaj   +1 more source

Lead-free ferroelectric materials: Prospective applications

open access: yes, 2021
: The year of 2021 is the 100th anniversary of the first publication of ferroelectric behaviour in Rochelle salt, focussing on its piezoelectric properties.
Jing Feng Li (20259615)   +3 more
core   +1 more source

Comparative Analysis of Effectiveness of Traditional Lead Aprons versus Newer Generation Lead-free Aprons in Radiation Protection

open access: yesJournal of Medical Physics
The comparative effectiveness of traditional lead aprons versus newer generation lead-free alternatives in radiation protection is a critical area of investigation in medical safety. While lead aprons have long been the standard, concerns over weight and
Sri Hari Prasath Gurumurthi   +1 more
doaj   +1 more source

An Introductory Overview of Various Typical Lead-Free Solders for TSV Technology

open access: yesInorganics
As semiconductor packaging technologies face limitations, through-silicon via (TSV) technology has emerged as a key solution to extending Moore’s law by achieving high-density, high-performance microelectronics.
Sooyong Choi   +5 more
doaj   +1 more source

A minimax distribution free procedure for mixed inventory model with variable lead time

open access: yes, 2009
In this article, both lead time and the order quantity are considered as the decision variables of a mixed inventory model. In our studies, we relax the assumption about the form of the cumulative distribution function of the lead-time demand and apply ...
歐陽良裕; Ouyang, Liang-yuh; 吳坤山;Wu, Kun-shan
core   +1 more source

Tautomeric mixture coordination enables efficient lead-free perovskite LEDs [PDF]

open access: yes
Lead halide perovskite light-emitting diodes (PeLEDs) have demonstrated remarkable optoelectronic performance1-3. However, there are potential toxicity issues with lead4,5 and removing lead from the best-performing PeLEDs-without compromising their high ...
Kong, Lingmei   +19 more
core   +1 more source

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