材料科学
牙髓(牙)
含水量
水分
胶粘剂
复合材料
极限抗拉强度
响应面法
化学
色谱法
岩土工程
医学
工程类
病理
图层(电子)
作者
Athanasia M. Goula,Thodoris D. Karapantsios,Konstantinos G. Adamopoulos
标识
DOI:10.1080/07373930701227102
摘要
A contact probe test was developed to characterize the surface stickiness of a tomato pulp droplet at various moisture contents and temperatures. To provide tomato pulp samples with different moisture contents, tomato powder produced by a laboratory spray dryer was wetted to seven different moisture levels. The instantaneous tensile force curve was recorded during the probe withdrawal from which the maximum tensile force and other useful information were obtained and cross-examined against images of bonding, debonding, and failure of the material. Generally, at higher moisture contents tomato pulp exhibited cohesive failure followed by semi-adhesive failure, but when moisture content decreased to a certain level, a peak tensile pressure was observed and the failure was adhesive. In addition, higher temperatures shifted the points of adhesive failure toward lower moisture content.
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